Finding the Fourth Proportional to 690,062.91, 1,035,135.71 and 216,748.26
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Solution
The fourth proportional to 690,062.91, 1,035,135.71 and 216,748.26 is: 325,135.38
Step by Step Solution
- Step 1: Write the proportion equation
690,062.91 : 1,035,135.71 = 216,748.26 : x - Step 2: Convert to fraction form
690,062.91/1,035,135.71 = 216,748.26/x - Step 3: Cross multiply
690,062.91x = 1,035,135.71 × 216,748.26 - Step 4: Simplify right side
690,062.91x = 224,363,864,006.37 - Step 5: Solve for x
x = 224,363,864,006.37/690,062.91 - Step 6: Final answer
x = 325,135.38
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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.