Finding the Fourth Proportional to 581,488.80, 872,290.80 and 202,351.20
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Solution
The fourth proportional to 581,488.80, 872,290.80 and 202,351.20 is: 303,546.84
Step by Step Solution
- Step 1: Write the proportion equation
581,488.80 : 872,290.80 = 202,351.20 : x - Step 2: Convert to fraction form
581,488.80/872,290.80 = 202,351.20/x - Step 3: Cross multiply
581,488.80x = 872,290.80 × 202,351.20 - Step 4: Simplify right side
581,488.80x = 176,509,090,128.96 - Step 5: Solve for x
x = 176,509,090,128.96/581,488.80 - Step 6: Final answer
x = 303,546.84
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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.