Finding the Fourth Proportional to 161,772.30, 242,685.18 and 73,023.84
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Solution
The fourth proportional to 161,772.30, 242,685.18 and 73,023.84 is: 109,547.83
Step by Step Solution
- Step 1: Write the proportion equation
161,772.30 : 242,685.18 = 73,023.84 : x - Step 2: Convert to fraction form
161,772.30/242,685.18 = 73,023.84/x - Step 3: Cross multiply
161,772.30x = 242,685.18 × 73,023.84 - Step 4: Simplify right side
161,772.30x = 17,721,803,754.69 - Step 5: Solve for x
x = 17,721,803,754.69/161,772.30 - Step 6: Final answer
x = 109,547.83
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.