Finding the Fourth Proportional to 665,637.80, 998,456.70 and 245,077.70
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Solution
The fourth proportional to 665,637.80, 998,456.70 and 245,077.70 is: 367,616.55
Step by Step Solution
- Step 1: Write the proportion equation
665,637.80 : 998,456.70 = 245,077.70 : x - Step 2: Convert to fraction form
665,637.80/998,456.70 = 245,077.70/x - Step 3: Cross multiply
665,637.80x = 998,456.70 × 245,077.70 - Step 4: Simplify right side
665,637.80x = 244,699,471,585.59 - Step 5: Solve for x
x = 244,699,471,585.59/665,637.80 - Step 6: Final answer
x = 367,616.55
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Similar ratio
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1.5x scale
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.