Home / 258,920.76-357,259.50-163,558.20

Finding the Fourth Proportional to 258,920.76, 357,259.50 and 163,558.20

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Solution

The fourth proportional to 258,920.76, 357,259.50 and 163,558.20 is: 225,678.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,920.76 : 357,259.50 = 163,558.20 : x
  2. Step 2: Convert to fraction form
    258,920.76/357,259.50 = 163,558.20/x
  3. Step 3: Cross multiply
    258,920.76x = 357,259.50 × 163,558.20
  4. Step 4: Simplify right side
    258,920.76x = 58,432,720,752.90
  5. Step 5: Solve for x
    x = 58,432,720,752.90/258,920.76
  6. Step 6: Final answer
    x = 225,678.01

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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.