Finding the Fourth Proportional to 377,738.08, 566,607.18 and 128,420.08
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Solution
The fourth proportional to 377,738.08, 566,607.18 and 128,420.08 is: 192,630.14
Step by Step Solution
- Step 1: Write the proportion equation
377,738.08 : 566,607.18 = 128,420.08 : x - Step 2: Convert to fraction form
377,738.08/566,607.18 = 128,420.08/x - Step 3: Cross multiply
377,738.08x = 566,607.18 × 128,420.08 - Step 4: Simplify right side
377,738.08x = 72,763,739,384.17 - Step 5: Solve for x
x = 72,763,739,384.17/377,738.08 - Step 6: Final answer
x = 192,630.14
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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.