Finding the Fourth Proportional to 403,497.40, 605,246.10 and 359,951.80
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Solution
The fourth proportional to 403,497.40, 605,246.10 and 359,951.80 is: 539,927.70
Step by Step Solution
- Step 1: Write the proportion equation
403,497.40 : 605,246.10 = 359,951.80 : x - Step 2: Convert to fraction form
403,497.40/605,246.10 = 359,951.80/x - Step 3: Cross multiply
403,497.40x = 605,246.10 × 359,951.80 - Step 4: Simplify right side
403,497.40x = 217,859,423,137.98 - Step 5: Solve for x
x = 217,859,423,137.98/403,497.40 - Step 6: Final answer
x = 539,927.70
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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.