Finding the Fourth Proportional to 202,159.74, 279,070.11 and 130,574.67
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Solution
The fourth proportional to 202,159.74, 279,070.11 and 130,574.67 is: 180,250.97
Step by Step Solution
- Step 1: Write the proportion equation
202,159.74 : 279,070.11 = 130,574.67 : x - Step 2: Convert to fraction form
202,159.74/279,070.11 = 130,574.67/x - Step 3: Cross multiply
202,159.74x = 279,070.11 × 130,574.67 - Step 4: Simplify right side
202,159.74x = 36,439,488,828.25 - Step 5: Solve for x
x = 36,439,488,828.25/202,159.74 - Step 6: Final answer
x = 180,250.97
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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.