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Finding the Fourth Proportional to 242,519.40, 363,779.10 and 183,470.40

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Solution

The fourth proportional to 242,519.40, 363,779.10 and 183,470.40 is: 275,205.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,519.40 : 363,779.10 = 183,470.40 : x
  2. Step 2: Convert to fraction form
    242,519.40/363,779.10 = 183,470.40/x
  3. Step 3: Cross multiply
    242,519.40x = 363,779.10 × 183,470.40
  4. Step 4: Simplify right side
    242,519.40x = 66,742,696,988.64
  5. Step 5: Solve for x
    x = 66,742,696,988.64/242,519.40
  6. Step 6: Final answer
    x = 275,205.60

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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.