Finding the Fourth Proportional to 423,278.84, 584,135.88 and 242,020.28
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Solution
The fourth proportional to 423,278.84, 584,135.88 and 242,020.28 is: 333,994.32
Step by Step Solution
- Step 1: Write the proportion equation
423,278.84 : 584,135.88 = 242,020.28 : x - Step 2: Convert to fraction form
423,278.84/584,135.88 = 242,020.28/x - Step 3: Cross multiply
423,278.84x = 584,135.88 × 242,020.28 - Step 4: Simplify right side
423,278.84x = 141,372,729,235.65 - Step 5: Solve for x
x = 141,372,729,235.65/423,278.84 - Step 6: Final answer
x = 333,994.32
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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.