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Finding the Fourth Proportional to 369,915.34, 510,428.44 and 224,645.58

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Solution

The fourth proportional to 369,915.34, 510,428.44 and 224,645.58 is: 309,977.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,915.34 : 510,428.44 = 224,645.58 : x
  2. Step 2: Convert to fraction form
    369,915.34/510,428.44 = 224,645.58/x
  3. Step 3: Cross multiply
    369,915.34x = 510,428.44 × 224,645.58
  4. Step 4: Simplify right side
    369,915.34x = 114,665,492,952.30
  5. Step 5: Solve for x
    x = 114,665,492,952.30/369,915.34
  6. Step 6: Final answer
    x = 309,977.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.