Finding the Fourth Proportional to 478,495.24, 660,317.33 and 260,712.99
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Solution
The fourth proportional to 478,495.24, 660,317.33 and 260,712.99 is: 359,780.60
Step by Step Solution
- Step 1: Write the proportion equation
478,495.24 : 660,317.33 = 260,712.99 : x - Step 2: Convert to fraction form
478,495.24/660,317.33 = 260,712.99/x - Step 3: Cross multiply
478,495.24x = 660,317.33 × 260,712.99 - Step 4: Simplify right side
478,495.24x = 172,153,305,453.12 - Step 5: Solve for x
x = 172,153,305,453.12/478,495.24 - Step 6: Final answer
x = 359,780.60
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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.