Finding the Fourth Proportional to 97,998.80, 147,176.40 and 58,632.80
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Solution
The fourth proportional to 97,998.80, 147,176.40 and 58,632.80 is: 88,055.82
Step by Step Solution
- Step 1: Write the proportion equation
97,998.80 : 147,176.40 = 58,632.80 : x - Step 2: Convert to fraction form
97,998.80/147,176.40 = 58,632.80/x - Step 3: Cross multiply
97,998.80x = 147,176.40 × 58,632.80 - Step 4: Simplify right side
97,998.80x = 8,629,364,425.92 - Step 5: Solve for x
x = 8,629,364,425.92/97,998.80 - Step 6: Final answer
x = 88,055.82
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1.5x scale
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.