Finding the Fourth Proportional to 97,398.18, 146,038.14 and 38,162.88
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Solution
The fourth proportional to 97,398.18, 146,038.14 and 38,162.88 is: 57,221.15
Step by Step Solution
- Step 1: Write the proportion equation
97,398.18 : 146,038.14 = 38,162.88 : x - Step 2: Convert to fraction form
97,398.18/146,038.14 = 38,162.88/x - Step 3: Cross multiply
97,398.18x = 146,038.14 × 38,162.88 - Step 4: Simplify right side
97,398.18x = 5,573,236,012.24 - Step 5: Solve for x
x = 5,573,236,012.24/97,398.18 - Step 6: Final answer
x = 57,221.15
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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.