Home / 343,985.48-474,924.78-223,470.23

Finding the Fourth Proportional to 343,985.48, 474,924.78 and 223,470.23

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Solution

The fourth proportional to 343,985.48, 474,924.78 and 223,470.23 is: 308,534.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,985.48 : 474,924.78 = 223,470.23 : x
  2. Step 2: Convert to fraction form
    343,985.48/474,924.78 = 223,470.23/x
  3. Step 3: Cross multiply
    343,985.48x = 474,924.78 × 223,470.23
  4. Step 4: Simplify right side
    343,985.48x = 106,131,551,006.61
  5. Step 5: Solve for x
    x = 106,131,551,006.61/343,985.48
  6. Step 6: Final answer
    x = 308,534.98

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1.5x scale

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.