Finding the Fourth Proportional to 616,949.70, 925,424.55 and 368,117.70
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Solution
The fourth proportional to 616,949.70, 925,424.55 and 368,117.70 is: 552,176.55
Step by Step Solution
- Step 1: Write the proportion equation
616,949.70 : 925,424.55 = 368,117.70 : x - Step 2: Convert to fraction form
616,949.70/925,424.55 = 368,117.70/x - Step 3: Cross multiply
616,949.70x = 925,424.55 × 368,117.70 - Step 4: Simplify right side
616,949.70x = 340,665,156,869.54 - Step 5: Solve for x
x = 340,665,156,869.54/616,949.70 - Step 6: Final answer
x = 552,176.55
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1.5x scale
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.