Finding the Fourth Proportional to 109,818.28, 151,547.64 and 62,069.99
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Solution
The fourth proportional to 109,818.28, 151,547.64 and 62,069.99 is: 85,655.69
Step by Step Solution
- Step 1: Write the proportion equation
109,818.28 : 151,547.64 = 62,069.99 : x - Step 2: Convert to fraction form
109,818.28/151,547.64 = 62,069.99/x - Step 3: Cross multiply
109,818.28x = 151,547.64 × 62,069.99 - Step 4: Simplify right side
109,818.28x = 9,406,560,499.32 - Step 5: Solve for x
x = 9,406,560,499.32/109,818.28 - Step 6: Final answer
x = 85,655.69
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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.