Finding the Fourth Proportional to 660,043.98, 910,853.37 and 369,658.17
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Solution
The fourth proportional to 660,043.98, 910,853.37 and 369,658.17 is: 510,124.17
Step by Step Solution
- Step 1: Write the proportion equation
660,043.98 : 910,853.37 = 369,658.17 : x - Step 2: Convert to fraction form
660,043.98/910,853.37 = 369,658.17/x - Step 3: Cross multiply
660,043.98x = 910,853.37 × 369,658.17 - Step 4: Simplify right side
660,043.98x = 336,704,389,892.53 - Step 5: Solve for x
x = 336,704,389,892.53/660,043.98 - Step 6: Final answer
x = 510,124.17
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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.