Finding the Fourth Proportional to 478,493.24, 660,314.58 and 260,710.98
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Solution
The fourth proportional to 478,493.24, 660,314.58 and 260,710.98 is: 359,777.84
Step by Step Solution
- Step 1: Write the proportion equation
478,493.24 : 660,314.58 = 260,710.98 : x - Step 2: Convert to fraction form
478,493.24/660,314.58 = 260,710.98/x - Step 3: Cross multiply
478,493.24x = 660,314.58 × 260,710.98 - Step 4: Simplify right side
478,493.24x = 172,151,261,607.32 - Step 5: Solve for x
x = 172,151,261,607.32/478,493.24 - Step 6: Final answer
x = 359,777.84
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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.