Finding the Fourth Proportional to 357,888.13, 493,895.06 and 194,555.62
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Solution
The fourth proportional to 357,888.13, 493,895.06 and 194,555.62 is: 268,491.89
Step by Step Solution
- Step 1: Write the proportion equation
357,888.13 : 493,895.06 = 194,555.62 : x - Step 2: Convert to fraction form
357,888.13/493,895.06 = 194,555.62/x - Step 3: Cross multiply
357,888.13x = 493,895.06 × 194,555.62 - Step 4: Simplify right side
357,888.13x = 96,090,061,081.79 - Step 5: Solve for x
x = 96,090,061,081.79/357,888.13 - Step 6: Final answer
x = 268,491.89
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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.