Home / 428,977.63-592,059.95-238,052.53

Finding the Fourth Proportional to 428,977.63, 592,059.95 and 238,052.53

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Solution

The fourth proportional to 428,977.63, 592,059.95 and 238,052.53 is: 328,551.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    428,977.63 : 592,059.95 = 238,052.53 : x
  2. Step 2: Convert to fraction form
    428,977.63/592,059.95 = 238,052.53/x
  3. Step 3: Cross multiply
    428,977.63x = 592,059.95 × 238,052.53
  4. Step 4: Simplify right side
    428,977.63x = 140,941,369,009.17
  5. Step 5: Solve for x
    x = 140,941,369,009.17/428,977.63
  6. Step 6: Final answer
    x = 328,551.79

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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.