Finding the Fourth Proportional to 521,235.45, 719,372.70 and 291,880.08
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Solution
The fourth proportional to 521,235.45, 719,372.70 and 291,880.08 is: 402,832.47
Step by Step Solution
- Step 1: Write the proportion equation
521,235.45 : 719,372.70 = 291,880.08 : x - Step 2: Convert to fraction form
521,235.45/719,372.70 = 291,880.08/x - Step 3: Cross multiply
521,235.45x = 719,372.70 × 291,880.08 - Step 4: Simplify right side
521,235.45x = 209,970,561,225.82 - Step 5: Solve for x
x = 209,970,561,225.82/521,235.45 - Step 6: Final answer
x = 402,832.47
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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.