Home / 284,870.20-426,742.10-249,849.40

Finding the Fourth Proportional to 284,870.20, 426,742.10 and 249,849.40

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Solution

The fourth proportional to 284,870.20, 426,742.10 and 249,849.40 is: 374,280.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,870.20 : 426,742.10 = 249,849.40 : x
  2. Step 2: Convert to fraction form
    284,870.20/426,742.10 = 249,849.40/x
  3. Step 3: Cross multiply
    284,870.20x = 426,742.10 × 249,849.40
  4. Step 4: Simplify right side
    284,870.20x = 106,621,257,639.74
  5. Step 5: Solve for x
    x = 106,621,257,639.74/284,870.20
  6. Step 6: Final answer
    x = 374,280.14

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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.