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Finding the Fourth Proportional to 208,807.92, 288,173.10 and 118,192.98

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Solution

The fourth proportional to 208,807.92, 288,173.10 and 118,192.98 is: 163,116.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,807.92 : 288,173.10 = 118,192.98 : x
  2. Step 2: Convert to fraction form
    208,807.92/288,173.10 = 118,192.98/x
  3. Step 3: Cross multiply
    208,807.92x = 288,173.10 × 118,192.98
  4. Step 4: Simplify right side
    208,807.92x = 34,060,037,444.84
  5. Step 5: Solve for x
    x = 34,060,037,444.84/208,807.92
  6. Step 6: Final answer
    x = 163,116.60

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1.5x scale

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.