Finding the Fourth Proportional to 360,239.68, 497,149.98 and 207,301.15
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Solution
The fourth proportional to 360,239.68, 497,149.98 and 207,301.15 is: 286,086.65
Step by Step Solution
- Step 1: Write the proportion equation
360,239.68 : 497,149.98 = 207,301.15 : x - Step 2: Convert to fraction form
360,239.68/497,149.98 = 207,301.15/x - Step 3: Cross multiply
360,239.68x = 497,149.98 × 207,301.15 - Step 4: Simplify right side
360,239.68x = 103,059,762,576.48 - Step 5: Solve for x
x = 103,059,762,576.48/360,239.68 - Step 6: Final answer
x = 286,086.65
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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.