Finding the Fourth Proportional to 145,423.80, 218,135.70 and 62,479.80
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Solution
The fourth proportional to 145,423.80, 218,135.70 and 62,479.80 is: 93,719.70
Step by Step Solution
- Step 1: Write the proportion equation
145,423.80 : 218,135.70 = 62,479.80 : x - Step 2: Convert to fraction form
145,423.80/218,135.70 = 62,479.80/x - Step 3: Cross multiply
145,423.80x = 218,135.70 × 62,479.80 - Step 4: Simplify right side
145,423.80x = 13,629,074,908.86 - Step 5: Solve for x
x = 13,629,074,908.86/145,423.80 - Step 6: Final answer
x = 93,719.70
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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.