Finding the Fourth Proportional to 367,642.16, 551,935.50 and 283,455.80
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Solution
The fourth proportional to 367,642.16, 551,935.50 and 283,455.80 is: 425,547.82
Step by Step Solution
- Step 1: Write the proportion equation
367,642.16 : 551,935.50 = 283,455.80 : x - Step 2: Convert to fraction form
367,642.16/551,935.50 = 283,455.80/x - Step 3: Cross multiply
367,642.16x = 551,935.50 × 283,455.80 - Step 4: Simplify right side
367,642.16x = 156,449,318,700.90 - Step 5: Solve for x
x = 156,449,318,700.90/367,642.16 - Step 6: Final answer
x = 425,547.82
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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.