Finding the Fourth Proportional to 478,494.24, 660,315.96 and 260,711.99
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Solution
The fourth proportional to 478,494.24, 660,315.96 and 260,711.99 is: 359,779.22
Step by Step Solution
- Step 1: Write the proportion equation
478,494.24 : 660,315.96 = 260,711.99 : x - Step 2: Convert to fraction form
478,494.24/660,315.96 = 260,711.99/x - Step 3: Cross multiply
478,494.24x = 660,315.96 × 260,711.99 - Step 4: Simplify right side
478,494.24x = 172,152,283,355.22 - Step 5: Solve for x
x = 172,152,283,355.22/478,494.24 - Step 6: Final answer
x = 359,779.22
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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.