Finding the Fourth Proportional to 369,738.06, 554,607.10 and 120,420.06
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Solution
The fourth proportional to 369,738.06, 554,607.10 and 120,420.06 is: 180,630.09
Step by Step Solution
- Step 1: Write the proportion equation
369,738.06 : 554,607.10 = 120,420.06 : x - Step 2: Convert to fraction form
369,738.06/554,607.10 = 120,420.06/x - Step 3: Cross multiply
369,738.06x = 554,607.10 × 120,420.06 - Step 4: Simplify right side
369,738.06x = 66,785,820,258.43 - Step 5: Solve for x
x = 66,785,820,258.43/369,738.06 - Step 6: Final answer
x = 180,630.09
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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.