Finding the Fourth Proportional to 313,587.33, 432,882.99 and 211,750.71
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Solution
The fourth proportional to 313,587.33, 432,882.99 and 211,750.71 is: 292,305.43
Step by Step Solution
- Step 1: Write the proportion equation
313,587.33 : 432,882.99 = 211,750.71 : x - Step 2: Convert to fraction form
313,587.33/432,882.99 = 211,750.71/x - Step 3: Cross multiply
313,587.33x = 432,882.99 × 211,750.71 - Step 4: Simplify right side
313,587.33x = 91,663,280,479.42 - Step 5: Solve for x
x = 91,663,280,479.42/313,587.33 - Step 6: Final answer
x = 292,305.43
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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.