Home / 315,948.96-473,603.28-136,151.52

Finding the Fourth Proportional to 315,948.96, 473,603.28 and 136,151.52

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Solution

The fourth proportional to 315,948.96, 473,603.28 and 136,151.52 is: 204,089.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,948.96 : 473,603.28 = 136,151.52 : x
  2. Step 2: Convert to fraction form
    315,948.96/473,603.28 = 136,151.52/x
  3. Step 3: Cross multiply
    315,948.96x = 473,603.28 × 136,151.52
  4. Step 4: Simplify right side
    315,948.96x = 64,481,806,448.99
  5. Step 5: Solve for x
    x = 64,481,806,448.99/315,948.96
  6. Step 6: Final answer
    x = 204,089.31

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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.