Home / 311,566.98-429,962.45-168,327.02

Finding the Fourth Proportional to 311,566.98, 429,962.45 and 168,327.02

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Solution

The fourth proportional to 311,566.98, 429,962.45 and 168,327.02 is: 232,291.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,566.98 : 429,962.45 = 168,327.02 : x
  2. Step 2: Convert to fraction form
    311,566.98/429,962.45 = 168,327.02/x
  3. Step 3: Cross multiply
    311,566.98x = 429,962.45 × 168,327.02
  4. Step 4: Simplify right side
    311,566.98x = 72,374,298,153.67
  5. Step 5: Solve for x
    x = 72,374,298,153.67/311,566.98
  6. Step 6: Final answer
    x = 232,291.30

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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.