Finding the Fourth Proportional to 437,117.23, 655,712.99 and 121,574.14
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Solution
The fourth proportional to 437,117.23, 655,712.99 and 121,574.14 is: 182,371.54
Step by Step Solution
- Step 1: Write the proportion equation
437,117.23 : 655,712.99 = 121,574.14 : x - Step 2: Convert to fraction form
437,117.23/655,712.99 = 121,574.14/x - Step 3: Cross multiply
437,117.23x = 655,712.99 × 121,574.14 - Step 4: Simplify right side
437,117.23x = 79,717,742,846.08 - Step 5: Solve for x
x = 79,717,742,846.08/437,117.23 - Step 6: Final answer
x = 182,371.54
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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.