Finding the Fourth Proportional to 236,432.90, 354,066.15 and 157,117.70
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Solution
The fourth proportional to 236,432.90, 354,066.15 and 157,117.70 is: 235,288.99
Step by Step Solution
- Step 1: Write the proportion equation
236,432.90 : 354,066.15 = 157,117.70 : x - Step 2: Convert to fraction form
236,432.90/354,066.15 = 157,117.70/x - Step 3: Cross multiply
236,432.90x = 354,066.15 × 157,117.70 - Step 4: Simplify right side
236,432.90x = 55,630,059,135.86 - Step 5: Solve for x
x = 55,630,059,135.86/236,432.90 - Step 6: Final answer
x = 235,288.99
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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.