Home / 460,145.07-690,287.27-144,572.31

Finding the Fourth Proportional to 460,145.07, 690,287.27 and 144,572.31

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Solution

The fourth proportional to 460,145.07, 690,287.27 and 144,572.31 is: 216,880.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,145.07 : 690,287.27 = 144,572.31 : x
  2. Step 2: Convert to fraction form
    460,145.07/690,287.27 = 144,572.31/x
  3. Step 3: Cross multiply
    460,145.07x = 690,287.27 × 144,572.31
  4. Step 4: Simplify right side
    460,145.07x = 99,796,424,464.63
  5. Step 5: Solve for x
    x = 99,796,424,464.63/460,145.07
  6. Step 6: Final answer
    x = 216,880.35

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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.