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Finding the Fourth Proportional to 208,053, 287,152.08 and 118,629

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Solution

The fourth proportional to 208,053, 287,152.08 and 118,629 is: 163,730.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,053 : 287,152.08 = 118,629 : x
  2. Step 2: Convert to fraction form
    208,053/287,152.08 = 118,629/x
  3. Step 3: Cross multiply
    208,053x = 287,152.08 × 118,629
  4. Step 4: Simplify right side
    208,053x = 34,064,564,098.32
  5. Step 5: Solve for x
    x = 34,064,564,098.32/208,053
  6. Step 6: Final answer
    x = 163,730.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.