Finding the Fourth Proportional to 147,240.18, 202,948.83 and 104,164.02
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Solution
The fourth proportional to 147,240.18, 202,948.83 and 104,164.02 is: 143,574.71
Step by Step Solution
- Step 1: Write the proportion equation
147,240.18 : 202,948.83 = 104,164.02 : x - Step 2: Convert to fraction form
147,240.18/202,948.83 = 104,164.02/x - Step 3: Cross multiply
147,240.18x = 202,948.83 × 104,164.02 - Step 4: Simplify right side
147,240.18x = 21,139,965,987.10 - Step 5: Solve for x
x = 21,139,965,987.10/147,240.18 - Step 6: Final answer
x = 143,574.71
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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.