Finding the Fourth Proportional to 984,547.80, 1,476,821.70 and 236,593.80
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Solution
The fourth proportional to 984,547.80, 1,476,821.70 and 236,593.80 is: 354,890.70
Step by Step Solution
- Step 1: Write the proportion equation
984,547.80 : 1,476,821.70 = 236,593.80 : x - Step 2: Convert to fraction form
984,547.80/1,476,821.70 = 236,593.80/x - Step 3: Cross multiply
984,547.80x = 1,476,821.70 × 236,593.80 - Step 4: Simplify right side
984,547.80x = 349,406,857,925.46 - Step 5: Solve for x
x = 349,406,857,925.46/984,547.80 - Step 6: Final answer
x = 354,890.70
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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.