Finding the Fourth Proportional to 97,689.86, 146,421.27 and 44,988.62
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Solution
The fourth proportional to 97,689.86, 146,421.27 and 44,988.62 is: 67,430.65
Step by Step Solution
- Step 1: Write the proportion equation
97,689.86 : 146,421.27 = 44,988.62 : x - Step 2: Convert to fraction form
97,689.86/146,421.27 = 44,988.62/x - Step 3: Cross multiply
97,689.86x = 146,421.27 × 44,988.62 - Step 4: Simplify right side
97,689.86x = 6,587,290,875.95 - Step 5: Solve for x
x = 6,587,290,875.95/97,689.86 - Step 6: Final answer
x = 67,430.65
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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.