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Finding the Fourth Proportional to 286,000.68, 429,114.02 and 108,554.79

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Solution

The fourth proportional to 286,000.68, 429,114.02 and 108,554.79 is: 162,875.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,000.68 : 429,114.02 = 108,554.79 : x
  2. Step 2: Convert to fraction form
    286,000.68/429,114.02 = 108,554.79/x
  3. Step 3: Cross multiply
    286,000.68x = 429,114.02 × 108,554.79
  4. Step 4: Simplify right side
    286,000.68x = 46,582,381,784.38
  5. Step 5: Solve for x
    x = 46,582,381,784.38/286,000.68
  6. Step 6: Final answer
    x = 162,875.07

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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.