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Finding the Fourth Proportional to 567,548.51, 851,319.66 and 243,288.86

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Solution

The fourth proportional to 567,548.51, 851,319.66 and 243,288.86 is: 364,931.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,548.51 : 851,319.66 = 243,288.86 : x
  2. Step 2: Convert to fraction form
    567,548.51/851,319.66 = 243,288.86/x
  3. Step 3: Cross multiply
    567,548.51x = 851,319.66 × 243,288.86
  4. Step 4: Simplify right side
    567,548.51x = 207,116,585,320.39
  5. Step 5: Solve for x
    x = 207,116,585,320.39/567,548.51
  6. Step 6: Final answer
    x = 364,931.95

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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.