Finding the Fourth Proportional to 288,363.70, 432,415.95 and 110,811.70
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Solution
The fourth proportional to 288,363.70, 432,415.95 and 110,811.70 is: 166,167.75
Step by Step Solution
- Step 1: Write the proportion equation
288,363.70 : 432,415.95 = 110,811.70 : x - Step 2: Convert to fraction form
288,363.70/432,415.95 = 110,811.70/x - Step 3: Cross multiply
288,363.70x = 432,415.95 × 110,811.70 - Step 4: Simplify right side
288,363.70x = 47,916,746,526.62 - Step 5: Solve for x
x = 47,916,746,526.62/288,363.70 - Step 6: Final answer
x = 166,167.75
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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.