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Finding the Fourth Proportional to 495,216.77, 742,726.71 and 242,388.63

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Solution

The fourth proportional to 495,216.77, 742,726.71 and 242,388.63 is: 363,534.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,216.77 : 742,726.71 = 242,388.63 : x
  2. Step 2: Convert to fraction form
    495,216.77/742,726.71 = 242,388.63/x
  3. Step 3: Cross multiply
    495,216.77x = 742,726.71 × 242,388.63
  4. Step 4: Simplify right side
    495,216.77x = 180,028,509,701.31
  5. Step 5: Solve for x
    x = 180,028,509,701.31/495,216.77
  6. Step 6: Final answer
    x = 363,534.76

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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.