Finding the Fourth Proportional to 354,974.23, 532,718.27 and 138,864.84
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Solution
The fourth proportional to 354,974.23, 532,718.27 and 138,864.84 is: 208,397.77
Step by Step Solution
- Step 1: Write the proportion equation
354,974.23 : 532,718.27 = 138,864.84 : x - Step 2: Convert to fraction form
354,974.23/532,718.27 = 138,864.84/x - Step 3: Cross multiply
354,974.23x = 532,718.27 × 138,864.84 - Step 4: Simplify right side
354,974.23x = 73,975,837,328.63 - Step 5: Solve for x
x = 73,975,837,328.63/354,974.23 - Step 6: Final answer
x = 208,397.77
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.