Finding the Fourth Proportional to 377,595.80, 566,393.70 and 128,277.80
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Solution
The fourth proportional to 377,595.80, 566,393.70 and 128,277.80 is: 192,416.70
Step by Step Solution
- Step 1: Write the proportion equation
377,595.80 : 566,393.70 = 128,277.80 : x - Step 2: Convert to fraction form
377,595.80/566,393.70 = 128,277.80/x - Step 3: Cross multiply
377,595.80x = 566,393.70 × 128,277.80 - Step 4: Simplify right side
377,595.80x = 72,655,737,769.86 - Step 5: Solve for x
x = 72,655,737,769.86/377,595.80 - Step 6: Final answer
x = 192,416.70
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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.