Finding the Fourth Proportional to 454,648.82, 627,154.92 and 284,587.70
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Solution
The fourth proportional to 454,648.82, 627,154.92 and 284,587.70 is: 392,567.99
Step by Step Solution
- Step 1: Write the proportion equation
454,648.82 : 627,154.92 = 284,587.70 : x - Step 2: Convert to fraction form
454,648.82/627,154.92 = 284,587.70/x - Step 3: Cross multiply
454,648.82x = 627,154.92 × 284,587.70 - Step 4: Simplify right side
454,648.82x = 178,480,573,090.71 - Step 5: Solve for x
x = 178,480,573,090.71/454,648.82 - Step 6: Final answer
x = 392,567.99
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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.