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Finding the Fourth Proportional to 453,199.93, 679,864.59 and 168,866.24

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Solution

The fourth proportional to 453,199.93, 679,864.59 and 168,866.24 is: 253,323.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,199.93 : 679,864.59 = 168,866.24 : x
  2. Step 2: Convert to fraction form
    453,199.93/679,864.59 = 168,866.24/x
  3. Step 3: Cross multiply
    453,199.93x = 679,864.59 × 168,866.24
  4. Step 4: Simplify right side
    453,199.93x = 114,806,173,623.12
  5. Step 5: Solve for x
    x = 114,806,173,623.12/453,199.93
  6. Step 6: Final answer
    x = 253,323.46

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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.