Home / 302,574.40-456,127.28-282,276.16

Finding the Fourth Proportional to 302,574.40, 456,127.28 and 282,276.16

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Solution

The fourth proportional to 302,574.40, 456,127.28 and 282,276.16 is: 425,527.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,574.40 : 456,127.28 = 282,276.16 : x
  2. Step 2: Convert to fraction form
    302,574.40/456,127.28 = 282,276.16/x
  3. Step 3: Cross multiply
    302,574.40x = 456,127.28 × 282,276.16
  4. Step 4: Simplify right side
    302,574.40x = 128,753,857,069.65
  5. Step 5: Solve for x
    x = 128,753,857,069.65/302,574.40
  6. Step 6: Final answer
    x = 425,527.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.