Finding the Fourth Proportional to 472,921.13, 652,631.18 and 303,155.26
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Solution
The fourth proportional to 472,921.13, 652,631.18 and 303,155.26 is: 418,354.26
Step by Step Solution
- Step 1: Write the proportion equation
472,921.13 : 652,631.18 = 303,155.26 : x - Step 2: Convert to fraction form
472,921.13/652,631.18 = 303,155.26/x - Step 3: Cross multiply
472,921.13x = 652,631.18 × 303,155.26 - Step 4: Simplify right side
472,921.13x = 197,848,571,909.65 - Step 5: Solve for x
x = 197,848,571,909.65/472,921.13 - Step 6: Final answer
x = 418,354.26
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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.