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Finding the Fourth Proportional to 453,798, 681,008.04 and 158,310

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Solution

The fourth proportional to 453,798, 681,008.04 and 158,310 is: 237,573.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,798 : 681,008.04 = 158,310 : x
  2. Step 2: Convert to fraction form
    453,798/681,008.04 = 158,310/x
  3. Step 3: Cross multiply
    453,798x = 681,008.04 × 158,310
  4. Step 4: Simplify right side
    453,798x = 107,810,382,812.40
  5. Step 5: Solve for x
    x = 107,810,382,812.40/453,798
  6. Step 6: Final answer
    x = 237,573.51

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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.