Finding the Fourth Proportional to 561,442.07, 841,912.97 and 161,987.88
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Solution
The fourth proportional to 561,442.07, 841,912.97 and 161,987.88 is: 242,909.65
Step by Step Solution
- Step 1: Write the proportion equation
561,442.07 : 841,912.97 = 161,987.88 : x - Step 2: Convert to fraction form
561,442.07/841,912.97 = 161,987.88/x - Step 3: Cross multiply
561,442.07x = 841,912.97 × 161,987.88 - Step 4: Simplify right side
561,442.07x = 136,379,696,344.86 - Step 5: Solve for x
x = 136,379,696,344.86/561,442.07 - Step 6: Final answer
x = 242,909.65
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.