Finding the Fourth Proportional to 478,267.24, 659,959.96 and 294,476.62
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Solution
The fourth proportional to 478,267.24, 659,959.96 and 294,476.62 is: 406,347.67
Step by Step Solution
- Step 1: Write the proportion equation
478,267.24 : 659,959.96 = 294,476.62 : x - Step 2: Convert to fraction form
478,267.24/659,959.96 = 294,476.62/x - Step 3: Cross multiply
478,267.24x = 659,959.96 × 294,476.62 - Step 4: Simplify right side
478,267.24x = 194,342,778,356.14 - Step 5: Solve for x
x = 194,342,778,356.14/478,267.24 - Step 6: Final answer
x = 406,347.67
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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.