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Finding the Fourth Proportional to 630,036.88, 945,058.73 and 156,722.29

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Solution

The fourth proportional to 630,036.88, 945,058.73 and 156,722.29 is: 235,084.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,036.88 : 945,058.73 = 156,722.29 : x
  2. Step 2: Convert to fraction form
    630,036.88/945,058.73 = 156,722.29/x
  3. Step 3: Cross multiply
    630,036.88x = 945,058.73 × 156,722.29
  4. Step 4: Simplify right side
    630,036.88x = 148,111,768,350.09
  5. Step 5: Solve for x
    x = 148,111,768,350.09/630,036.88
  6. Step 6: Final answer
    x = 235,084.28

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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.