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Finding the Fourth Proportional to 343,470.36, 473,994 and 207,485.42

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Solution

The fourth proportional to 343,470.36, 473,994 and 207,485.42 is: 286,332.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,470.36 : 473,994 = 207,485.42 : x
  2. Step 2: Convert to fraction form
    343,470.36/473,994 = 207,485.42/x
  3. Step 3: Cross multiply
    343,470.36x = 473,994 × 207,485.42
  4. Step 4: Simplify right side
    343,470.36x = 98,346,844,167.48
  5. Step 5: Solve for x
    x = 98,346,844,167.48/343,470.36
  6. Step 6: Final answer
    x = 286,332.84

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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.