Home / 302,901.12-454,118.40-145,048.32

Finding the Fourth Proportional to 302,901.12, 454,118.40 and 145,048.32

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Solution

The fourth proportional to 302,901.12, 454,118.40 and 145,048.32 is: 217,460.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,901.12 : 454,118.40 = 145,048.32 : x
  2. Step 2: Convert to fraction form
    302,901.12/454,118.40 = 145,048.32/x
  3. Step 3: Cross multiply
    302,901.12x = 454,118.40 × 145,048.32
  4. Step 4: Simplify right side
    302,901.12x = 65,869,111,001.09
  5. Step 5: Solve for x
    x = 65,869,111,001.09/302,901.12
  6. Step 6: Final answer
    x = 217,460.77

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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.