Finding the Fourth Proportional to 314,363.96, 433,832.72 and 176,567.12
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Solution
The fourth proportional to 314,363.96, 433,832.72 and 176,567.12 is: 243,668.50
Step by Step Solution
- Step 1: Write the proportion equation
314,363.96 : 433,832.72 = 176,567.12 : x - Step 2: Convert to fraction form
314,363.96/433,832.72 = 176,567.12/x - Step 3: Cross multiply
314,363.96x = 433,832.72 × 176,567.12 - Step 4: Simplify right side
314,363.96x = 76,600,593,932.17 - Step 5: Solve for x
x = 76,600,593,932.17/314,363.96 - Step 6: Final answer
x = 243,668.50
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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.