Finding the Fourth Proportional to 376,921.26, 520,129.35 and 207,155.52
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Solution
The fourth proportional to 376,921.26, 520,129.35 and 207,155.52 is: 285,862.53
Step by Step Solution
- Step 1: Write the proportion equation
376,921.26 : 520,129.35 = 207,155.52 : x - Step 2: Convert to fraction form
376,921.26/520,129.35 = 207,155.52/x - Step 3: Cross multiply
376,921.26x = 520,129.35 × 207,155.52 - Step 4: Simplify right side
376,921.26x = 107,747,665,966.51 - Step 5: Solve for x
x = 107,747,665,966.51/376,921.26 - Step 6: Final answer
x = 285,862.53
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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.