Finding the Fourth Proportional to 97,987.28, 146,848.44 and 70,224.08
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Solution
The fourth proportional to 97,987.28, 146,848.44 and 70,224.08 is: 105,241.18
Step by Step Solution
- Step 1: Write the proportion equation
97,987.28 : 146,848.44 = 70,224.08 : x - Step 2: Convert to fraction form
97,987.28/146,848.44 = 70,224.08/x - Step 3: Cross multiply
97,987.28x = 146,848.44 × 70,224.08 - Step 4: Simplify right side
97,987.28x = 10,312,296,598.44 - Step 5: Solve for x
x = 10,312,296,598.44/97,987.28 - Step 6: Final answer
x = 105,241.18
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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.