Home / 460,045.65-690,096.03-144,502.55

Finding the Fourth Proportional to 460,045.65, 690,096.03 and 144,502.55

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Solution

The fourth proportional to 460,045.65, 690,096.03 and 144,502.55 is: 216,762.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,045.65 : 690,096.03 = 144,502.55 : x
  2. Step 2: Convert to fraction form
    460,045.65/690,096.03 = 144,502.55/x
  3. Step 3: Cross multiply
    460,045.65x = 690,096.03 × 144,502.55
  4. Step 4: Simplify right side
    460,045.65x = 99,720,632,629.40
  5. Step 5: Solve for x
    x = 99,720,632,629.40/460,045.65
  6. Step 6: Final answer
    x = 216,762.47

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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.