Finding the Fourth Proportional to 97,219.80, 145,829.70 and 88,909.20
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Solution
The fourth proportional to 97,219.80, 145,829.70 and 88,909.20 is: 133,363.80
Step by Step Solution
- Step 1: Write the proportion equation
97,219.80 : 145,829.70 = 88,909.20 : x - Step 2: Convert to fraction form
97,219.80/145,829.70 = 88,909.20/x - Step 3: Cross multiply
97,219.80x = 145,829.70 × 88,909.20 - Step 4: Simplify right side
97,219.80x = 12,965,601,963.24 - Step 5: Solve for x
x = 12,965,601,963.24/97,219.80 - Step 6: Final answer
x = 133,363.80
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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.