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Finding the Fourth Proportional to 226,353.69, 312,368.01 and 124,385.72

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Solution

The fourth proportional to 226,353.69, 312,368.01 and 124,385.72 is: 171,652.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,353.69 : 312,368.01 = 124,385.72 : x
  2. Step 2: Convert to fraction form
    226,353.69/312,368.01 = 124,385.72/x
  3. Step 3: Cross multiply
    226,353.69x = 312,368.01 × 124,385.72
  4. Step 4: Simplify right side
    226,353.69x = 38,854,119,828.82
  5. Step 5: Solve for x
    x = 38,854,119,828.82/226,353.69
  6. Step 6: Final answer
    x = 171,652.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.