Finding the Fourth Proportional to 423,747.26, 584,626.38 and 242,393.12
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Solution
The fourth proportional to 423,747.26, 584,626.38 and 242,393.12 is: 334,419.65
Step by Step Solution
- Step 1: Write the proportion equation
423,747.26 : 584,626.38 = 242,393.12 : x - Step 2: Convert to fraction form
423,747.26/584,626.38 = 242,393.12/x - Step 3: Cross multiply
423,747.26x = 584,626.38 × 242,393.12 - Step 4: Simplify right side
423,747.26x = 141,709,412,282.51 - Step 5: Solve for x
x = 141,709,412,282.51/423,747.26 - Step 6: Final answer
x = 334,419.65
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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.