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Finding the Fourth Proportional to 556,987.68, 835,513.92 and 157,595.04

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Solution

The fourth proportional to 556,987.68, 835,513.92 and 157,595.04 is: 236,401.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,987.68 : 835,513.92 = 157,595.04 : x
  2. Step 2: Convert to fraction form
    556,987.68/835,513.92 = 157,595.04/x
  3. Step 3: Cross multiply
    556,987.68x = 835,513.92 × 157,595.04
  4. Step 4: Simplify right side
    556,987.68x = 131,672,849,642.96
  5. Step 5: Solve for x
    x = 131,672,849,642.96/556,987.68
  6. Step 6: Final answer
    x = 236,401.73

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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.