Finding the Fourth Proportional to 152,253.53, 210,110.28 and 84,275.19
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Solution
The fourth proportional to 152,253.53, 210,110.28 and 84,275.19 is: 116,299.99
Step by Step Solution
- Step 1: Write the proportion equation
152,253.53 : 210,110.28 = 84,275.19 : x - Step 2: Convert to fraction form
152,253.53/210,110.28 = 84,275.19/x - Step 3: Cross multiply
152,253.53x = 210,110.28 × 84,275.19 - Step 4: Simplify right side
152,253.53x = 17,707,083,767.95 - Step 5: Solve for x
x = 17,707,083,767.95/152,253.53 - Step 6: Final answer
x = 116,299.99
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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.