Finding the Fourth Proportional to 397,637.70, 596,456.55 and 240,173.70
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Solution
The fourth proportional to 397,637.70, 596,456.55 and 240,173.70 is: 360,260.55
Step by Step Solution
- Step 1: Write the proportion equation
397,637.70 : 596,456.55 = 240,173.70 : x - Step 2: Convert to fraction form
397,637.70/596,456.55 = 240,173.70/x - Step 3: Cross multiply
397,637.70x = 596,456.55 × 240,173.70 - Step 4: Simplify right side
397,637.70x = 143,253,176,502.74 - Step 5: Solve for x
x = 143,253,176,502.74/397,637.70 - Step 6: Final answer
x = 360,260.55
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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.