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Finding the Fourth Proportional to 286,881.18, 429,872.01 and 181,477.50

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Solution

The fourth proportional to 286,881.18, 429,872.01 and 181,477.50 is: 271,931.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,881.18 : 429,872.01 = 181,477.50 : x
  2. Step 2: Convert to fraction form
    286,881.18/429,872.01 = 181,477.50/x
  3. Step 3: Cross multiply
    286,881.18x = 429,872.01 × 181,477.50
  4. Step 4: Simplify right side
    286,881.18x = 78,012,097,694.78
  5. Step 5: Solve for x
    x = 78,012,097,694.78/286,881.18
  6. Step 6: Final answer
    x = 271,931.74

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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.