Finding the Fourth Proportional to 520,787.02, 781,267.09 and 179,216.80
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Solution
The fourth proportional to 520,787.02, 781,267.09 and 179,216.80 is: 268,854.99
Step by Step Solution
- Step 1: Write the proportion equation
520,787.02 : 781,267.09 = 179,216.80 : x - Step 2: Convert to fraction form
520,787.02/781,267.09 = 179,216.80/x - Step 3: Cross multiply
520,787.02x = 781,267.09 × 179,216.80 - Step 4: Simplify right side
520,787.02x = 140,016,187,815.11 - Step 5: Solve for x
x = 140,016,187,815.11/520,787.02 - Step 6: Final answer
x = 268,854.99
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.