Home / 343,915.12-515,697.06-202,037.50

Finding the Fourth Proportional to 343,915.12, 515,697.06 and 202,037.50

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Solution

The fourth proportional to 343,915.12, 515,697.06 and 202,037.50 is: 302,953.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,915.12 : 515,697.06 = 202,037.50 : x
  2. Step 2: Convert to fraction form
    343,915.12/515,697.06 = 202,037.50/x
  3. Step 3: Cross multiply
    343,915.12x = 515,697.06 × 202,037.50
  4. Step 4: Simplify right side
    343,915.12x = 104,190,144,759.75
  5. Step 5: Solve for x
    x = 104,190,144,759.75/343,915.12
  6. Step 6: Final answer
    x = 302,953.08

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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.