Home / 215,220.29-297,002.57-118,430.03

Finding the Fourth Proportional to 215,220.29, 297,002.57 and 118,430.03

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Solution

The fourth proportional to 215,220.29, 297,002.57 and 118,430.03 is: 163,432.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,220.29 : 297,002.57 = 118,430.03 : x
  2. Step 2: Convert to fraction form
    215,220.29/297,002.57 = 118,430.03/x
  3. Step 3: Cross multiply
    215,220.29x = 297,002.57 × 118,430.03
  4. Step 4: Simplify right side
    215,220.29x = 35,174,023,425.53
  5. Step 5: Solve for x
    x = 35,174,023,425.53/215,220.29
  6. Step 6: Final answer
    x = 163,432.66

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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.