Finding the Fourth Proportional to 219,547.62, 302,971.76 and 124,052.26
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Solution
The fourth proportional to 219,547.62, 302,971.76 and 124,052.26 is: 171,189.88
Step by Step Solution
- Step 1: Write the proportion equation
219,547.62 : 302,971.76 = 124,052.26 : x - Step 2: Convert to fraction form
219,547.62/302,971.76 = 124,052.26/x - Step 3: Cross multiply
219,547.62x = 302,971.76 × 124,052.26 - Step 4: Simplify right side
219,547.62x = 37,584,331,544.18 - Step 5: Solve for x
x = 37,584,331,544.18/219,547.62 - Step 6: Final answer
x = 171,189.88
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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.