Finding the Fourth Proportional to 438,970.07, 658,445.76 and 202,312.76
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Solution
The fourth proportional to 438,970.07, 658,445.76 and 202,312.76 is: 303,464.82
Step by Step Solution
- Step 1: Write the proportion equation
438,970.07 : 658,445.76 = 202,312.76 : x - Step 2: Convert to fraction form
438,970.07/658,445.76 = 202,312.76/x - Step 3: Cross multiply
438,970.07x = 658,445.76 × 202,312.76 - Step 4: Simplify right side
438,970.07x = 133,211,975,723.67 - Step 5: Solve for x
x = 133,211,975,723.67/438,970.07 - Step 6: Final answer
x = 303,464.82
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.