Finding the Fourth Proportional to 577,845.12, 866,176.80 and 198,652.08
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Solution
The fourth proportional to 577,845.12, 866,176.80 and 198,652.08 is: 297,774.99
Step by Step Solution
- Step 1: Write the proportion equation
577,845.12 : 866,176.80 = 198,652.08 : x - Step 2: Convert to fraction form
577,845.12/866,176.80 = 198,652.08/x - Step 3: Cross multiply
577,845.12x = 866,176.80 × 198,652.08 - Step 4: Simplify right side
577,845.12x = 172,067,822,967.74 - Step 5: Solve for x
x = 172,067,822,967.74/577,845.12 - Step 6: Final answer
x = 297,774.99
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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.