Finding the Fourth Proportional to 97,968.80, 137,432.80 and 97,968.80
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Solution
The fourth proportional to 97,968.80, 137,432.80 and 97,968.80 is: 137,432.80
Step by Step Solution
- Step 1: Write the proportion equation
97,968.80 : 137,432.80 = 97,968.80 : x - Step 2: Convert to fraction form
97,968.80/137,432.80 = 97,968.80/x - Step 3: Cross multiply
97,968.80x = 137,432.80 × 97,968.80 - Step 4: Simplify right side
97,968.80x = 13,464,126,496.64 - Step 5: Solve for x
x = 13,464,126,496.64/97,968.80 - Step 6: Final answer
x = 137,432.80
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Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.