Finding the Fourth Proportional to 228,221.80, 342,332.70 and 175,077.70
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Solution
The fourth proportional to 228,221.80, 342,332.70 and 175,077.70 is: 262,616.55
Step by Step Solution
- Step 1: Write the proportion equation
228,221.80 : 342,332.70 = 175,077.70 : x - Step 2: Convert to fraction form
228,221.80/342,332.70 = 175,077.70/x - Step 3: Cross multiply
228,221.80x = 342,332.70 × 175,077.70 - Step 4: Simplify right side
228,221.80x = 59,934,821,750.79 - Step 5: Solve for x
x = 59,934,821,750.79/228,221.80 - Step 6: Final answer
x = 262,616.55
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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.