Finding the Fourth Proportional to 406,473.15, 560,925.36 and 245,334.99
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Solution
The fourth proportional to 406,473.15, 560,925.36 and 245,334.99 is: 338,557.71
Step by Step Solution
- Step 1: Write the proportion equation
406,473.15 : 560,925.36 = 245,334.99 : x - Step 2: Convert to fraction form
406,473.15/560,925.36 = 245,334.99/x - Step 3: Cross multiply
406,473.15x = 560,925.36 × 245,334.99 - Step 4: Simplify right side
406,473.15x = 137,614,617,586.35 - Step 5: Solve for x
x = 137,614,617,586.35/406,473.15 - Step 6: Final answer
x = 338,557.71
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.