Home / 288,583.36-432,921.64-88,903.76

Finding the Fourth Proportional to 288,583.36, 432,921.64 and 88,903.76

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Solution

The fourth proportional to 288,583.36, 432,921.64 and 88,903.76 is: 133,370.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,583.36 : 432,921.64 = 88,903.76 : x
  2. Step 2: Convert to fraction form
    288,583.36/432,921.64 = 88,903.76/x
  3. Step 3: Cross multiply
    288,583.36x = 432,921.64 × 88,903.76
  4. Step 4: Simplify right side
    288,583.36x = 38,488,361,581.37
  5. Step 5: Solve for x
    x = 38,488,361,581.37/288,583.36
  6. Step 6: Final answer
    x = 133,370.00

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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.