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Finding the Fourth Proportional to 399,999.93, 600,000.45 and 163,342.62

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Solution

The fourth proportional to 399,999.93, 600,000.45 and 163,342.62 is: 245,014.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,999.93 : 600,000.45 = 163,342.62 : x
  2. Step 2: Convert to fraction form
    399,999.93/600,000.45 = 163,342.62/x
  3. Step 3: Cross multiply
    399,999.93x = 600,000.45 × 163,342.62
  4. Step 4: Simplify right side
    399,999.93x = 98,005,645,504.18
  5. Step 5: Solve for x
    x = 98,005,645,504.18/399,999.93
  6. Step 6: Final answer
    x = 245,014.16

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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.