Finding the Fourth Proportional to 147,176.13, 220,681.09 and 51,068.26
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Solution
The fourth proportional to 147,176.13, 220,681.09 and 51,068.26 is: 76,573.55
Step by Step Solution
- Step 1: Write the proportion equation
147,176.13 : 220,681.09 = 51,068.26 : x - Step 2: Convert to fraction form
147,176.13/220,681.09 = 51,068.26/x - Step 3: Cross multiply
147,176.13x = 220,681.09 × 51,068.26 - Step 4: Simplify right side
147,176.13x = 11,269,799,281.20 - Step 5: Solve for x
x = 11,269,799,281.20/147,176.13 - Step 6: Final answer
x = 76,573.55
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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.