Finding the Fourth Proportional to 328,248.68, 453,113.64 and 282,125.75
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Solution
The fourth proportional to 328,248.68, 453,113.64 and 282,125.75 is: 389,445.66
Step by Step Solution
- Step 1: Write the proportion equation
328,248.68 : 453,113.64 = 282,125.75 : x - Step 2: Convert to fraction form
328,248.68/453,113.64 = 282,125.75/x - Step 3: Cross multiply
328,248.68x = 453,113.64 × 282,125.75 - Step 4: Simplify right side
328,248.68x = 127,835,023,254.66 - Step 5: Solve for x
x = 127,835,023,254.66/328,248.68 - Step 6: Final answer
x = 389,445.66
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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.