Home / 500,445.12-750,690.14-163,506.30

Finding the Fourth Proportional to 500,445.12, 750,690.14 and 163,506.30

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Solution

The fourth proportional to 500,445.12, 750,690.14 and 163,506.30 is: 245,266.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,445.12 : 750,690.14 = 163,506.30 : x
  2. Step 2: Convert to fraction form
    500,445.12/750,690.14 = 163,506.30/x
  3. Step 3: Cross multiply
    500,445.12x = 750,690.14 × 163,506.30
  4. Step 4: Simplify right side
    500,445.12x = 122,742,566,420.35
  5. Step 5: Solve for x
    x = 122,742,566,420.35/500,445.12
  6. Step 6: Final answer
    x = 245,266.79

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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.