Finding the Fourth Proportional to 478,282.64, 660,034.24 and 263,430.08
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Solution
The fourth proportional to 478,282.64, 660,034.24 and 263,430.08 is: 363,535.82
Step by Step Solution
- Step 1: Write the proportion equation
478,282.64 : 660,034.24 = 263,430.08 : x - Step 2: Convert to fraction form
478,282.64/660,034.24 = 263,430.08/x - Step 3: Cross multiply
478,282.64x = 660,034.24 × 263,430.08 - Step 4: Simplify right side
478,282.64x = 173,872,872,645.94 - Step 5: Solve for x
x = 173,872,872,645.94/478,282.64 - Step 6: Final answer
x = 363,535.82
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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.