Finding the Fourth Proportional to 286,823.08, 430,176.12 and 272,596.60
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Solution
The fourth proportional to 286,823.08, 430,176.12 and 272,596.60 is: 408,839.30
Step by Step Solution
- Step 1: Write the proportion equation
286,823.08 : 430,176.12 = 272,596.60 : x - Step 2: Convert to fraction form
286,823.08/430,176.12 = 272,596.60/x - Step 3: Cross multiply
286,823.08x = 430,176.12 × 272,596.60 - Step 4: Simplify right side
286,823.08x = 117,264,547,713.19 - Step 5: Solve for x
x = 117,264,547,713.19/286,823.08 - Step 6: Final answer
x = 408,839.30
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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.