Finding the Fourth Proportional to 442,555.70, 610,781.73 and 270,438.26
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Solution
The fourth proportional to 442,555.70, 610,781.73 and 270,438.26 is: 373,238.33
Step by Step Solution
- Step 1: Write the proportion equation
442,555.70 : 610,781.73 = 270,438.26 : x - Step 2: Convert to fraction form
442,555.70/610,781.73 = 270,438.26/x - Step 3: Cross multiply
442,555.70x = 610,781.73 × 270,438.26 - Step 4: Simplify right side
442,555.70x = 165,178,748,300.99 - Step 5: Solve for x
x = 165,178,748,300.99/442,555.70 - Step 6: Final answer
x = 373,238.33
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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.