Finding the Fourth Proportional to 407,008.14, 610,502.68 and 107,509.62
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Solution
The fourth proportional to 407,008.14, 610,502.68 and 107,509.62 is: 161,261.91
Step by Step Solution
- Step 1: Write the proportion equation
407,008.14 : 610,502.68 = 107,509.62 : x - Step 2: Convert to fraction form
407,008.14/610,502.68 = 107,509.62/x - Step 3: Cross multiply
407,008.14x = 610,502.68 × 107,509.62 - Step 4: Simplify right side
407,008.14x = 65,634,911,135.78 - Step 5: Solve for x
x = 65,634,911,135.78/407,008.14 - Step 6: Final answer
x = 161,261.91
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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.