Finding the Fourth Proportional to 514,663.73, 771,989.97 and 210,990.13
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Solution
The fourth proportional to 514,663.73, 771,989.97 and 210,990.13 is: 316,482.88
Step by Step Solution
- Step 1: Write the proportion equation
514,663.73 : 771,989.97 = 210,990.13 : x - Step 2: Convert to fraction form
514,663.73/771,989.97 = 210,990.13/x - Step 3: Cross multiply
514,663.73x = 771,989.97 × 210,990.13 - Step 4: Simplify right side
514,663.73x = 162,882,262,199.02 - Step 5: Solve for x
x = 162,882,262,199.02/514,663.73 - Step 6: Final answer
x = 316,482.88
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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.