Finding the Fourth Proportional to 521,233.13, 719,261.98 and 291,737.85
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Solution
The fourth proportional to 521,233.13, 719,261.98 and 291,737.85 is: 402,575.99
Step by Step Solution
- Step 1: Write the proportion equation
521,233.13 : 719,261.98 = 291,737.85 : x - Step 2: Convert to fraction form
521,233.13/719,261.98 = 291,737.85/x - Step 3: Cross multiply
521,233.13x = 719,261.98 × 291,737.85 - Step 4: Simplify right side
521,233.13x = 209,835,943,631.94 - Step 5: Solve for x
x = 209,835,943,631.94/521,233.13 - Step 6: Final answer
x = 402,575.99
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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.