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Finding the Fourth Proportional to 424,116.40, 636,174.60 and 235,159.60

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Solution

The fourth proportional to 424,116.40, 636,174.60 and 235,159.60 is: 352,739.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,116.40 : 636,174.60 = 235,159.60 : x
  2. Step 2: Convert to fraction form
    424,116.40/636,174.60 = 235,159.60/x
  3. Step 3: Cross multiply
    424,116.40x = 636,174.60 × 235,159.60
  4. Step 4: Simplify right side
    424,116.40x = 149,602,564,466.16
  5. Step 5: Solve for x
    x = 149,602,564,466.16/424,116.40
  6. Step 6: Final answer
    x = 352,739.40

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.