Home / 810,140.90-1,215,384.15-249,232.10

Finding the Fourth Proportional to 810,140.90, 1,215,384.15 and 249,232.10

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Solution

The fourth proportional to 810,140.90, 1,215,384.15 and 249,232.10 is: 373,901.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,140.90 : 1,215,384.15 = 249,232.10 : x
  2. Step 2: Convert to fraction form
    810,140.90/1,215,384.15 = 249,232.10/x
  3. Step 3: Cross multiply
    810,140.90x = 1,215,384.15 × 249,232.10
  4. Step 4: Simplify right side
    810,140.90x = 302,912,744,011.22
  5. Step 5: Solve for x
    x = 302,912,744,011.22/810,140.90
  6. Step 6: Final answer
    x = 373,901.31

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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.