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Finding the Fourth Proportional to 434,094.94, 651,167.01 and 134,618.10

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Solution

The fourth proportional to 434,094.94, 651,167.01 and 134,618.10 is: 201,934.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,094.94 : 651,167.01 = 134,618.10 : x
  2. Step 2: Convert to fraction form
    434,094.94/651,167.01 = 134,618.10/x
  3. Step 3: Cross multiply
    434,094.94x = 651,167.01 × 134,618.10
  4. Step 4: Simplify right side
    434,094.94x = 87,658,863,731.82
  5. Step 5: Solve for x
    x = 87,658,863,731.82/434,094.94
  6. Step 6: Final answer
    x = 201,934.77

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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.