Finding the Fourth Proportional to 281,547.60, 422,383.74 and 155,122.74
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Solution
The fourth proportional to 281,547.60, 422,383.74 and 155,122.74 is: 232,718.46
Step by Step Solution
- Step 1: Write the proportion equation
281,547.60 : 422,383.74 = 155,122.74 : x - Step 2: Convert to fraction form
281,547.60/422,383.74 = 155,122.74/x - Step 3: Cross multiply
281,547.60x = 422,383.74 × 155,122.74 - Step 4: Simplify right side
281,547.60x = 65,521,323,080.25 - Step 5: Solve for x
x = 65,521,323,080.25/281,547.60 - Step 6: Final answer
x = 232,718.46
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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.