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Finding the Fourth Proportional to 610,301.84, 915,299.58 and 290,256.20

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Solution

The fourth proportional to 610,301.84, 915,299.58 and 290,256.20 is: 435,311.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,301.84 : 915,299.58 = 290,256.20 : x
  2. Step 2: Convert to fraction form
    610,301.84/915,299.58 = 290,256.20/x
  3. Step 3: Cross multiply
    610,301.84x = 915,299.58 × 290,256.20
  4. Step 4: Simplify right side
    610,301.84x = 265,671,377,952.40
  5. Step 5: Solve for x
    x = 265,671,377,952.40/610,301.84
  6. Step 6: Final answer
    x = 435,311.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.