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Finding the Fourth Proportional to 302,081.32, 452,973.66 and 124,676.20

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Solution

The fourth proportional to 302,081.32, 452,973.66 and 124,676.20 is: 186,953.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,081.32 : 452,973.66 = 124,676.20 : x
  2. Step 2: Convert to fraction form
    302,081.32/452,973.66 = 124,676.20/x
  3. Step 3: Cross multiply
    302,081.32x = 452,973.66 × 124,676.20
  4. Step 4: Simplify right side
    302,081.32x = 56,475,034,628.89
  5. Step 5: Solve for x
    x = 56,475,034,628.89/302,081.32
  6. Step 6: Final answer
    x = 186,953.08

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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.