Finding the Fourth Proportional to 236,471.20, 354,706.80 and 147,897.70
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Solution
The fourth proportional to 236,471.20, 354,706.80 and 147,897.70 is: 221,846.55
Step by Step Solution
- Step 1: Write the proportion equation
236,471.20 : 354,706.80 = 147,897.70 : x - Step 2: Convert to fraction form
236,471.20/354,706.80 = 147,897.70/x - Step 3: Cross multiply
236,471.20x = 354,706.80 × 147,897.70 - Step 4: Simplify right side
236,471.20x = 52,460,319,894.36 - Step 5: Solve for x
x = 52,460,319,894.36/236,471.20 - Step 6: Final answer
x = 221,846.55
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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.