Finding the Fourth Proportional to 274,878.24, 411,724.98 and 185,641.08
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Solution
The fourth proportional to 274,878.24, 411,724.98 and 185,641.08 is: 278,061.55
Step by Step Solution
- Step 1: Write the proportion equation
274,878.24 : 411,724.98 = 185,641.08 : x - Step 2: Convert to fraction form
274,878.24/411,724.98 = 185,641.08/x - Step 3: Cross multiply
274,878.24x = 411,724.98 × 185,641.08 - Step 4: Simplify right side
274,878.24x = 76,433,069,950.18 - Step 5: Solve for x
x = 76,433,069,950.18/274,878.24 - Step 6: Final answer
x = 278,061.55
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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.