Finding the Fourth Proportional to 660,134.24, 990,253.68 and 186,822.56
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Solution
The fourth proportional to 660,134.24, 990,253.68 and 186,822.56 is: 280,248.65
Step by Step Solution
- Step 1: Write the proportion equation
660,134.24 : 990,253.68 = 186,822.56 : x - Step 2: Convert to fraction form
660,134.24/990,253.68 = 186,822.56/x - Step 3: Cross multiply
660,134.24x = 990,253.68 × 186,822.56 - Step 4: Simplify right side
660,134.24x = 185,001,727,547.02 - Step 5: Solve for x
x = 185,001,727,547.02/660,134.24 - Step 6: Final answer
x = 280,248.65
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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.