Finding the Fourth Proportional to 161,703.68, 242,547.42 and 61,911.68
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Solution
The fourth proportional to 161,703.68, 242,547.42 and 61,911.68 is: 92,864.42
Step by Step Solution
- Step 1: Write the proportion equation
161,703.68 : 242,547.42 = 61,911.68 : x - Step 2: Convert to fraction form
161,703.68/242,547.42 = 61,911.68/x - Step 3: Cross multiply
161,703.68x = 242,547.42 × 61,911.68 - Step 4: Simplify right side
161,703.68x = 15,016,518,251.87 - Step 5: Solve for x
x = 15,016,518,251.87/161,703.68 - Step 6: Final answer
x = 92,864.42
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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.