Finding the Fourth Proportional to 581,419.28, 872,260.55 and 202,357.91
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Solution
The fourth proportional to 581,419.28, 872,260.55 and 202,357.91 is: 303,582.68
Step by Step Solution
- Step 1: Write the proportion equation
581,419.28 : 872,260.55 = 202,357.91 : x - Step 2: Convert to fraction form
581,419.28/872,260.55 = 202,357.91/x - Step 3: Cross multiply
581,419.28x = 872,260.55 × 202,357.91 - Step 4: Simplify right side
581,419.28x = 176,508,823,801.15 - Step 5: Solve for x
x = 176,508,823,801.15/581,419.28 - Step 6: Final answer
x = 303,582.68
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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.