Finding the Fourth Proportional to 413,521.14, 619,989.80 and 160,590.96
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Solution
The fourth proportional to 413,521.14, 619,989.80 and 160,590.96 is: 240,773.08
Step by Step Solution
- Step 1: Write the proportion equation
413,521.14 : 619,989.80 = 160,590.96 : x - Step 2: Convert to fraction form
413,521.14/619,989.80 = 160,590.96/x - Step 3: Cross multiply
413,521.14x = 619,989.80 × 160,590.96 - Step 4: Simplify right side
413,521.14x = 99,564,757,172.21 - Step 5: Solve for x
x = 99,564,757,172.21/413,521.14 - Step 6: Final answer
x = 240,773.08
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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.