Finding the Fourth Proportional to 177,702.19, 266,421.61 and 107,564.91
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Solution
The fourth proportional to 177,702.19, 266,421.61 and 107,564.91 is: 161,267.66
Step by Step Solution
- Step 1: Write the proportion equation
177,702.19 : 266,421.61 = 107,564.91 : x - Step 2: Convert to fraction form
177,702.19/266,421.61 = 107,564.91/x - Step 3: Cross multiply
177,702.19x = 266,421.61 × 107,564.91 - Step 4: Simplify right side
177,702.19x = 28,657,615,963.88 - Step 5: Solve for x
x = 28,657,615,963.88/177,702.19 - Step 6: Final answer
x = 161,267.66
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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.