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Finding the Fourth Proportional to 288,383.68, 432,541.44 and 88,703.68

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Solution

The fourth proportional to 288,383.68, 432,541.44 and 88,703.68 is: 133,045.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,383.68 : 432,541.44 = 88,703.68 : x
  2. Step 2: Convert to fraction form
    288,383.68/432,541.44 = 88,703.68/x
  3. Step 3: Cross multiply
    288,383.68x = 432,541.44 × 88,703.68
  4. Step 4: Simplify right side
    288,383.68x = 38,368,017,480.50
  5. Step 5: Solve for x
    x = 38,368,017,480.50/288,383.68
  6. Step 6: Final answer
    x = 133,045.04

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1.5x scale

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.