Home / 302,723.58-454,085.10-142,762.20

Finding the Fourth Proportional to 302,723.58, 454,085.10 and 142,762.20

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Solution

The fourth proportional to 302,723.58, 454,085.10 and 142,762.20 is: 214,143.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,723.58 : 454,085.10 = 142,762.20 : x
  2. Step 2: Convert to fraction form
    302,723.58/454,085.10 = 142,762.20/x
  3. Step 3: Cross multiply
    302,723.58x = 454,085.10 × 142,762.20
  4. Step 4: Simplify right side
    302,723.58x = 64,826,187,863.22
  5. Step 5: Solve for x
    x = 64,826,187,863.22/302,723.58
  6. Step 6: Final answer
    x = 214,143.17

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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.