Finding the Fourth Proportional to 374,642.21, 562,258.56 and 138,150.97
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Solution
The fourth proportional to 374,642.21, 562,258.56 and 138,150.97 is: 207,335.32
Step by Step Solution
- Step 1: Write the proportion equation
374,642.21 : 562,258.56 = 138,150.97 : x - Step 2: Convert to fraction form
374,642.21/562,258.56 = 138,150.97/x - Step 3: Cross multiply
374,642.21x = 562,258.56 × 138,150.97 - Step 4: Simplify right side
374,642.21x = 77,676,564,567.22 - Step 5: Solve for x
x = 77,676,564,567.22/374,642.21 - Step 6: Final answer
x = 207,335.32
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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.