Finding the Fourth Proportional to 509,113.80, 763,670.70 and 176,689.80
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Solution
The fourth proportional to 509,113.80, 763,670.70 and 176,689.80 is: 265,034.70
Step by Step Solution
- Step 1: Write the proportion equation
509,113.80 : 763,670.70 = 176,689.80 : x - Step 2: Convert to fraction form
509,113.80/763,670.70 = 176,689.80/x - Step 3: Cross multiply
509,113.80x = 763,670.70 × 176,689.80 - Step 4: Simplify right side
509,113.80x = 134,932,823,248.86 - Step 5: Solve for x
x = 134,932,823,248.86/509,113.80 - Step 6: Final answer
x = 265,034.70
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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.