Finding the Fourth Proportional to 287,590.84, 431,254.06 and 97,974.04
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Solution
The fourth proportional to 287,590.84, 431,254.06 and 97,974.04 is: 146,916.02
Step by Step Solution
- Step 1: Write the proportion equation
287,590.84 : 431,254.06 = 97,974.04 : x - Step 2: Convert to fraction form
287,590.84/431,254.06 = 97,974.04/x - Step 3: Cross multiply
287,590.84x = 431,254.06 × 97,974.04 - Step 4: Simplify right side
287,590.84x = 42,251,702,524.60 - Step 5: Solve for x
x = 42,251,702,524.60/287,590.84 - Step 6: Final answer
x = 146,916.02
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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.