Home / 393,437.04-542,922.84-214,554.48

Finding the Fourth Proportional to 393,437.04, 542,922.84 and 214,554.48

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Solution

The fourth proportional to 393,437.04, 542,922.84 and 214,554.48 is: 296,074.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    393,437.04 : 542,922.84 = 214,554.48 : x
  2. Step 2: Convert to fraction form
    393,437.04/542,922.84 = 214,554.48/x
  3. Step 3: Cross multiply
    393,437.04x = 542,922.84 × 214,554.48
  4. Step 4: Simplify right side
    393,437.04x = 116,486,527,616.32
  5. Step 5: Solve for x
    x = 116,486,527,616.32/393,437.04
  6. Step 6: Final answer
    x = 296,074.13

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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.