Finding the Fourth Proportional to 326,621.67, 450,726.34 and 183,387.75
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Solution
The fourth proportional to 326,621.67, 450,726.34 and 183,387.75 is: 253,068.60
Step by Step Solution
- Step 1: Write the proportion equation
326,621.67 : 450,726.34 = 183,387.75 : x - Step 2: Convert to fraction form
326,621.67/450,726.34 = 183,387.75/x - Step 3: Cross multiply
326,621.67x = 450,726.34 × 183,387.75 - Step 4: Simplify right side
326,621.67x = 82,657,689,358.34 - Step 5: Solve for x
x = 82,657,689,358.34/326,621.67 - Step 6: Final answer
x = 253,068.60
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.