Finding the Fourth Proportional to 286,482.18, 395,345.25 and 159,169.62
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Solution
The fourth proportional to 286,482.18, 395,345.25 and 159,169.62 is: 219,653.99
Step by Step Solution
- Step 1: Write the proportion equation
286,482.18 : 395,345.25 = 159,169.62 : x - Step 2: Convert to fraction form
286,482.18/395,345.25 = 159,169.62/x - Step 3: Cross multiply
286,482.18x = 395,345.25 × 159,169.62 - Step 4: Simplify right side
286,482.18x = 62,926,953,211.31 - Step 5: Solve for x
x = 62,926,953,211.31/286,482.18 - Step 6: Final answer
x = 219,653.99
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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.