Finding the Fourth Proportional to 286,778.62, 430,225.35 and 160,598.31
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Solution
The fourth proportional to 286,778.62, 430,225.35 and 160,598.31 is: 240,929.62
Step by Step Solution
- Step 1: Write the proportion equation
286,778.62 : 430,225.35 = 160,598.31 : x - Step 2: Convert to fraction form
286,778.62/430,225.35 = 160,598.31/x - Step 3: Cross multiply
286,778.62x = 430,225.35 × 160,598.31 - Step 4: Simplify right side
286,778.62x = 69,093,464,129.16 - Step 5: Solve for x
x = 69,093,464,129.16/286,778.62 - Step 6: Final answer
x = 240,929.62
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.