Finding the Fourth Proportional to 319,387.50, 478,084.74 and 235,242.66
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Solution
The fourth proportional to 319,387.50, 478,084.74 and 235,242.66 is: 352,130.02
Step by Step Solution
- Step 1: Write the proportion equation
319,387.50 : 478,084.74 = 235,242.66 : x - Step 2: Convert to fraction form
319,387.50/478,084.74 = 235,242.66/x - Step 3: Cross multiply
319,387.50x = 478,084.74 × 235,242.66 - Step 4: Simplify right side
319,387.50x = 112,465,925,943.01 - Step 5: Solve for x
x = 112,465,925,943.01/319,387.50 - Step 6: Final answer
x = 352,130.02
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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.