Finding the Fourth Proportional to 215,674,702.80, 322,840,207.80 and 155,208,526.80
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Solution
The fourth proportional to 215,674,702.80, 322,840,207.80 and 155,208,526.80 is: 232,329,301.46
Step by Step Solution
- Step 1: Write the proportion equation
215,674,702.80 : 322,840,207.80 = 155,208,526.80 : x - Step 2: Convert to fraction form
215,674,702.80/322,840,207.80 = 155,208,526.80/x - Step 3: Cross multiply
215,674,702.80x = 322,840,207.80 × 155,208,526.80 - Step 4: Simplify right side
215,674,702.80x = 50,107,553,044,443,872 - Step 5: Solve for x
x = 50,107,553,044,443,872/215,674,702.80 - Step 6: Final answer
x = 232,329,301.46
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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.