Finding the Fourth Proportional to 98,637.08, 147,720.76 and 62,987.97
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Solution
The fourth proportional to 98,637.08, 147,720.76 and 62,987.97 is: 94,331.98
Step by Step Solution
- Step 1: Write the proportion equation
98,637.08 : 147,720.76 = 62,987.97 : x - Step 2: Convert to fraction form
98,637.08/147,720.76 = 62,987.97/x - Step 3: Cross multiply
98,637.08x = 147,720.76 × 62,987.97 - Step 4: Simplify right side
98,637.08x = 9,304,630,799.26 - Step 5: Solve for x
x = 9,304,630,799.26/98,637.08 - Step 6: Final answer
x = 94,331.98
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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.