Home / 315,931.38-473,897.06-126,477.03

Finding the Fourth Proportional to 315,931.38, 473,897.06 and 126,477.03

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Solution

The fourth proportional to 315,931.38, 473,897.06 and 126,477.03 is: 189,715.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,931.38 : 473,897.06 = 126,477.03 : x
  2. Step 2: Convert to fraction form
    315,931.38/473,897.06 = 126,477.03/x
  3. Step 3: Cross multiply
    315,931.38x = 473,897.06 × 126,477.03
  4. Step 4: Simplify right side
    315,931.38x = 59,937,092,674.53
  5. Step 5: Solve for x
    x = 59,937,092,674.53/315,931.38
  6. Step 6: Final answer
    x = 189,715.54

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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.