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Finding the Fourth Proportional to 343,468.35, 473,991.24 and 207,483.42

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Solution

The fourth proportional to 343,468.35, 473,991.24 and 207,483.42 is: 286,330.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,468.35 : 473,991.24 = 207,483.42 : x
  2. Step 2: Convert to fraction form
    343,468.35/473,991.24 = 207,483.42/x
  3. Step 3: Cross multiply
    343,468.35x = 473,991.24 × 207,483.42
  4. Step 4: Simplify right side
    343,468.35x = 98,345,326,080.77
  5. Step 5: Solve for x
    x = 98,345,326,080.77/343,468.35
  6. Step 6: Final answer
    x = 286,330.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.