Home / 288,036.12-432,054.23-77,674.08

Finding the Fourth Proportional to 288,036.12, 432,054.23 and 77,674.08

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Solution

The fourth proportional to 288,036.12, 432,054.23 and 77,674.08 is: 116,511.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,036.12 : 432,054.23 = 77,674.08 : x
  2. Step 2: Convert to fraction form
    288,036.12/432,054.23 = 77,674.08/x
  3. Step 3: Cross multiply
    288,036.12x = 432,054.23 × 77,674.08
  4. Step 4: Simplify right side
    288,036.12x = 33,559,414,436.99
  5. Step 5: Solve for x
    x = 33,559,414,436.99/288,036.12
  6. Step 6: Final answer
    x = 116,511.13

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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.