Home / 242,590.20-363,885.30-238,653.60

Finding the Fourth Proportional to 242,590.20, 363,885.30 and 238,653.60

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Solution

The fourth proportional to 242,590.20, 363,885.30 and 238,653.60 is: 357,980.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,590.20 : 363,885.30 = 238,653.60 : x
  2. Step 2: Convert to fraction form
    242,590.20/363,885.30 = 238,653.60/x
  3. Step 3: Cross multiply
    242,590.20x = 363,885.30 × 238,653.60
  4. Step 4: Simplify right side
    242,590.20x = 86,842,536,832.08
  5. Step 5: Solve for x
    x = 86,842,536,832.08/242,590.20
  6. Step 6: Final answer
    x = 357,980.40

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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.