Finding the Fourth Proportional to 88,885.68, 133,328.25 and 29,707.80
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Solution
The fourth proportional to 88,885.68, 133,328.25 and 29,707.80 is: 44,561.61
Step by Step Solution
- Step 1: Write the proportion equation
88,885.68 : 133,328.25 = 29,707.80 : x - Step 2: Convert to fraction form
88,885.68/133,328.25 = 29,707.80/x - Step 3: Cross multiply
88,885.68x = 133,328.25 × 29,707.80 - Step 4: Simplify right side
88,885.68x = 3,960,888,985.35 - Step 5: Solve for x
x = 3,960,888,985.35/88,885.68 - Step 6: Final answer
x = 44,561.61
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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.