Finding the Fourth Proportional to 551,609.40, 827,823.70 and 219,423.80
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Solution
The fourth proportional to 551,609.40, 827,823.70 and 219,423.80 is: 329,298.63
Step by Step Solution
- Step 1: Write the proportion equation
551,609.40 : 827,823.70 = 219,423.80 : x - Step 2: Convert to fraction form
551,609.40/827,823.70 = 219,423.80/x - Step 3: Cross multiply
551,609.40x = 827,823.70 × 219,423.80 - Step 4: Simplify right side
551,609.40x = 181,644,221,984.06 - Step 5: Solve for x
x = 181,644,221,984.06/551,609.40 - Step 6: Final answer
x = 329,298.63
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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.