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Finding the Fourth Proportional to 495,852.74, 743,151.71 and 243,073.81

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Solution

The fourth proportional to 495,852.74, 743,151.71 and 243,073.81 is: 364,303.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,852.74 : 743,151.71 = 243,073.81 : x
  2. Step 2: Convert to fraction form
    495,852.74/743,151.71 = 243,073.81/x
  3. Step 3: Cross multiply
    495,852.74x = 743,151.71 × 243,073.81
  4. Step 4: Simplify right side
    495,852.74x = 180,640,719,094.34
  5. Step 5: Solve for x
    x = 180,640,719,094.34/495,852.74
  6. Step 6: Final answer
    x = 364,303.16

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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.