Finding the Fourth Proportional to 146,602.74, 202,312.18 and 79,534.74
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Solution
The fourth proportional to 146,602.74, 202,312.18 and 79,534.74 is: 109,758.16
Step by Step Solution
- Step 1: Write the proportion equation
146,602.74 : 202,312.18 = 79,534.74 : x - Step 2: Convert to fraction form
146,602.74/202,312.18 = 79,534.74/x - Step 3: Cross multiply
146,602.74x = 202,312.18 × 79,534.74 - Step 4: Simplify right side
146,602.74x = 16,090,846,635.13 - Step 5: Solve for x
x = 16,090,846,635.13/146,602.74 - Step 6: Final answer
x = 109,758.16
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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.