Finding the Fourth Proportional to 360,421.96, 497,370.12 and 207,438.92
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Solution
The fourth proportional to 360,421.96, 497,370.12 and 207,438.92 is: 286,258.69
Step by Step Solution
- Step 1: Write the proportion equation
360,421.96 : 497,370.12 = 207,438.92 : x - Step 2: Convert to fraction form
360,421.96/497,370.12 = 207,438.92/x - Step 3: Cross multiply
360,421.96x = 497,370.12 × 207,438.92 - Step 4: Simplify right side
360,421.96x = 103,173,918,046.22 - Step 5: Solve for x
x = 103,173,918,046.22/360,421.96 - Step 6: Final answer
x = 286,258.69
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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.