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Finding the Fourth Proportional to 311,317.77, 429,587.49 and 175,347.93

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Solution

The fourth proportional to 311,317.77, 429,587.49 and 175,347.93 is: 241,962.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,317.77 : 429,587.49 = 175,347.93 : x
  2. Step 2: Convert to fraction form
    311,317.77/429,587.49 = 175,347.93/x
  3. Step 3: Cross multiply
    311,317.77x = 429,587.49 × 175,347.93
  4. Step 4: Simplify right side
    311,317.77x = 75,327,277,125.40
  5. Step 5: Solve for x
    x = 75,327,277,125.40/311,317.77
  6. Step 6: Final answer
    x = 241,962.66

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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.