Finding the Fourth Proportional to 445,152.18, 614,307.87 and 243,948.18
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Solution
The fourth proportional to 445,152.18, 614,307.87 and 243,948.18 is: 336,647.32
Step by Step Solution
- Step 1: Write the proportion equation
445,152.18 : 614,307.87 = 243,948.18 : x - Step 2: Convert to fraction form
445,152.18/614,307.87 = 243,948.18/x - Step 3: Cross multiply
445,152.18x = 614,307.87 × 243,948.18 - Step 4: Simplify right side
445,152.18x = 149,859,286,846.18 - Step 5: Solve for x
x = 149,859,286,846.18/445,152.18 - Step 6: Final answer
x = 336,647.32
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1.5x scale
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.