Finding the Fourth Proportional to 97,764.90, 137,239.50 and 97,764.90
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Solution
The fourth proportional to 97,764.90, 137,239.50 and 97,764.90 is: 137,239.50
Step by Step Solution
- Step 1: Write the proportion equation
97,764.90 : 137,239.50 = 97,764.90 : x - Step 2: Convert to fraction form
97,764.90/137,239.50 = 97,764.90/x - Step 3: Cross multiply
97,764.90x = 137,239.50 × 97,764.90 - Step 4: Simplify right side
97,764.90x = 13,417,205,993.55 - Step 5: Solve for x
x = 13,417,205,993.55/97,764.90 - Step 6: Final answer
x = 137,239.50
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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.