Home / 428,970.22-592,031.40-247,681.85

Finding the Fourth Proportional to 428,970.22, 592,031.40 and 247,681.85

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Solution

The fourth proportional to 428,970.22, 592,031.40 and 247,681.85 is: 341,831.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    428,970.22 : 592,031.40 = 247,681.85 : x
  2. Step 2: Convert to fraction form
    428,970.22/592,031.40 = 247,681.85/x
  3. Step 3: Cross multiply
    428,970.22x = 592,031.40 × 247,681.85
  4. Step 4: Simplify right side
    428,970.22x = 146,635,432,410.09
  5. Step 5: Solve for x
    x = 146,635,432,410.09/428,970.22
  6. Step 6: Final answer
    x = 341,831.26

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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.