Home / 272,985.17-409,439.79-104,547.87

Finding the Fourth Proportional to 272,985.17, 409,439.79 and 104,547.87

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Solution

The fourth proportional to 272,985.17, 409,439.79 and 104,547.87 is: 156,807.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,985.17 : 409,439.79 = 104,547.87 : x
  2. Step 2: Convert to fraction form
    272,985.17/409,439.79 = 104,547.87/x
  3. Step 3: Cross multiply
    272,985.17x = 409,439.79 × 104,547.87
  4. Step 4: Simplify right side
    272,985.17x = 42,806,057,937.75
  5. Step 5: Solve for x
    x = 42,806,057,937.75/272,985.17
  6. Step 6: Final answer
    x = 156,807.27

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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.