Home / 219,295.36-302,770.56-134,459.20

Finding the Fourth Proportional to 219,295.36, 302,770.56 and 134,459.20

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Solution

The fourth proportional to 219,295.36, 302,770.56 and 134,459.20 is: 185,641.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,295.36 : 302,770.56 = 134,459.20 : x
  2. Step 2: Convert to fraction form
    219,295.36/302,770.56 = 134,459.20/x
  3. Step 3: Cross multiply
    219,295.36x = 302,770.56 × 134,459.20
  4. Step 4: Simplify right side
    219,295.36x = 40,710,287,281.15
  5. Step 5: Solve for x
    x = 40,710,287,281.15/219,295.36
  6. Step 6: Final answer
    x = 185,641.35

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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.