Finding the Fourth Proportional to 148,648.97, 205,306.01 and 97,888.70
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Solution
The fourth proportional to 148,648.97, 205,306.01 and 97,888.70 is: 135,198.64
Step by Step Solution
- Step 1: Write the proportion equation
148,648.97 : 205,306.01 = 97,888.70 : x - Step 2: Convert to fraction form
148,648.97/205,306.01 = 97,888.70/x - Step 3: Cross multiply
148,648.97x = 205,306.01 × 97,888.70 - Step 4: Simplify right side
148,648.97x = 20,097,138,811.99 - Step 5: Solve for x
x = 20,097,138,811.99/148,648.97 - Step 6: Final answer
x = 135,198.64
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.