Home / 398,051.04-549,304.98-225,967.50

Finding the Fourth Proportional to 398,051.04, 549,304.98 and 225,967.50

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Solution

The fourth proportional to 398,051.04, 549,304.98 and 225,967.50 is: 311,832.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    398,051.04 : 549,304.98 = 225,967.50 : x
  2. Step 2: Convert to fraction form
    398,051.04/549,304.98 = 225,967.50/x
  3. Step 3: Cross multiply
    398,051.04x = 549,304.98 × 225,967.50
  4. Step 4: Simplify right side
    398,051.04x = 124,125,073,068.15
  5. Step 5: Solve for x
    x = 124,125,073,068.15/398,051.04
  6. Step 6: Final answer
    x = 311,832.05

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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.