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Finding the Fourth Proportional to 366,436.80, 549,335.20 and 141,950.40

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Solution

The fourth proportional to 366,436.80, 549,335.20 and 141,950.40 is: 212,801.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,436.80 : 549,335.20 = 141,950.40 : x
  2. Step 2: Convert to fraction form
    366,436.80/549,335.20 = 141,950.40/x
  3. Step 3: Cross multiply
    366,436.80x = 549,335.20 × 141,950.40
  4. Step 4: Simplify right side
    366,436.80x = 77,978,351,374.08
  5. Step 5: Solve for x
    x = 77,978,351,374.08/366,436.80
  6. Step 6: Final answer
    x = 212,801.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.