Finding the Fourth Proportional to 369,738.19, 554,607.29 and 120,420.19
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Solution
The fourth proportional to 369,738.19, 554,607.29 and 120,420.19 is: 180,630.29
Step by Step Solution
- Step 1: Write the proportion equation
369,738.19 : 554,607.29 = 120,420.19 : x - Step 2: Convert to fraction form
369,738.19/554,607.29 = 120,420.19/x - Step 3: Cross multiply
369,738.19x = 554,607.29 × 120,420.19 - Step 4: Simplify right side
369,738.19x = 66,785,915,237.19 - Step 5: Solve for x
x = 66,785,915,237.19/369,738.19 - Step 6: Final answer
x = 180,630.29
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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.