Finding the Fourth Proportional to 346,330.80, 519,423.30 and 146,657.70
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Solution
The fourth proportional to 346,330.80, 519,423.30 and 146,657.70 is: 219,955.68
Step by Step Solution
- Step 1: Write the proportion equation
346,330.80 : 519,423.30 = 146,657.70 : x - Step 2: Convert to fraction form
346,330.80/519,423.30 = 146,657.70/x - Step 3: Cross multiply
346,330.80x = 519,423.30 × 146,657.70 - Step 4: Simplify right side
346,330.80x = 76,177,426,504.41 - Step 5: Solve for x
x = 76,177,426,504.41/346,330.80 - Step 6: Final answer
x = 219,955.68
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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.