Finding the Fourth Proportional to 147,032.08, 202,904.40 and 79,964.08
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Solution
The fourth proportional to 147,032.08, 202,904.40 and 79,964.08 is: 110,350.50
Step by Step Solution
- Step 1: Write the proportion equation
147,032.08 : 202,904.40 = 79,964.08 : x - Step 2: Convert to fraction form
147,032.08/202,904.40 = 79,964.08/x - Step 3: Cross multiply
147,032.08x = 202,904.40 × 79,964.08 - Step 4: Simplify right side
147,032.08x = 16,225,063,673.95 - Step 5: Solve for x
x = 16,225,063,673.95/147,032.08 - Step 6: Final answer
x = 110,350.50
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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.