Finding the Fourth Proportional to 493,310.18, 680,768.06 and 266,955.68
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Solution
The fourth proportional to 493,310.18, 680,768.06 and 266,955.68 is: 368,398.84
Step by Step Solution
- Step 1: Write the proportion equation
493,310.18 : 680,768.06 = 266,955.68 : x - Step 2: Convert to fraction form
493,310.18/680,768.06 = 266,955.68/x - Step 3: Cross multiply
493,310.18x = 680,768.06 × 266,955.68 - Step 4: Simplify right side
493,310.18x = 181,734,900,379.58 - Step 5: Solve for x
x = 181,734,900,379.58/493,310.18 - Step 6: Final answer
x = 368,398.84
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1.5x scale
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.