Finding the Fourth Proportional to 526,967.14, 727,215.09 and 285,248.97
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Solution
The fourth proportional to 526,967.14, 727,215.09 and 285,248.97 is: 393,643.82
Step by Step Solution
- Step 1: Write the proportion equation
526,967.14 : 727,215.09 = 285,248.97 : x - Step 2: Convert to fraction form
526,967.14/727,215.09 = 285,248.97/x - Step 3: Cross multiply
526,967.14x = 727,215.09 × 285,248.97 - Step 4: Simplify right side
526,967.14x = 207,437,355,390.96 - Step 5: Solve for x
x = 207,437,355,390.96/526,967.14 - Step 6: Final answer
x = 393,643.82
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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.