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Finding the Fourth Proportional to 242,430.91, 363,703.60 and 76,218.91

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Solution

The fourth proportional to 242,430.91, 363,703.60 and 76,218.91 is: 114,346.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,430.91 : 363,703.60 = 76,218.91 : x
  2. Step 2: Convert to fraction form
    242,430.91/363,703.60 = 76,218.91/x
  3. Step 3: Cross multiply
    242,430.91x = 363,703.60 × 76,218.91
  4. Step 4: Simplify right side
    242,430.91x = 27,721,091,955.08
  5. Step 5: Solve for x
    x = 27,721,091,955.08/242,430.91
  6. Step 6: Final answer
    x = 114,346.36

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1.5x scale

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.