Home / 343,529.79-474,047.15-198,341.34

Finding the Fourth Proportional to 343,529.79, 474,047.15 and 198,341.34

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Solution

The fourth proportional to 343,529.79, 474,047.15 and 198,341.34 is: 273,697.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,529.79 : 474,047.15 = 198,341.34 : x
  2. Step 2: Convert to fraction form
    343,529.79/474,047.15 = 198,341.34/x
  3. Step 3: Cross multiply
    343,529.79x = 474,047.15 × 198,341.34
  4. Step 4: Simplify right side
    343,529.79x = 94,023,145,962.47
  5. Step 5: Solve for x
    x = 94,023,145,962.47/343,529.79
  6. Step 6: Final answer
    x = 273,697.21

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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.