Home / 349,731.60-524,251.80-139,088.40

Finding the Fourth Proportional to 349,731.60, 524,251.80 and 139,088.40

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Solution

The fourth proportional to 349,731.60, 524,251.80 and 139,088.40 is: 208,495.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,731.60 : 524,251.80 = 139,088.40 : x
  2. Step 2: Convert to fraction form
    349,731.60/524,251.80 = 139,088.40/x
  3. Step 3: Cross multiply
    349,731.60x = 524,251.80 × 139,088.40
  4. Step 4: Simplify right side
    349,731.60x = 72,917,344,059.12
  5. Step 5: Solve for x
    x = 72,917,344,059.12/349,731.60
  6. Step 6: Final answer
    x = 208,495.15

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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.