Finding the Fourth Proportional to 374,603.63, 561,905.98 and 152,987.63
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Solution
The fourth proportional to 374,603.63, 561,905.98 and 152,987.63 is: 229,481.66
Step by Step Solution
- Step 1: Write the proportion equation
374,603.63 : 561,905.98 = 152,987.63 : x - Step 2: Convert to fraction form
374,603.63/561,905.98 = 152,987.63/x - Step 3: Cross multiply
374,603.63x = 561,905.98 × 152,987.63 - Step 4: Simplify right side
374,603.63x = 85,964,660,971.03 - Step 5: Solve for x
x = 85,964,660,971.03/374,603.63 - Step 6: Final answer
x = 229,481.66
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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.