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Finding the Fourth Proportional to 316,412.34, 474,543.72 and 116,624.22

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Solution

The fourth proportional to 316,412.34, 474,543.72 and 116,624.22 is: 174,908.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,412.34 : 474,543.72 = 116,624.22 : x
  2. Step 2: Convert to fraction form
    316,412.34/474,543.72 = 116,624.22/x
  3. Step 3: Cross multiply
    316,412.34x = 474,543.72 × 116,624.22
  4. Step 4: Simplify right side
    316,412.34x = 55,343,291,200.90
  5. Step 5: Solve for x
    x = 55,343,291,200.90/316,412.34
  6. Step 6: Final answer
    x = 174,908.76

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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.