Finding the Fourth Proportional to 370,196.84, 555,295.08 and 120,878.84
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Solution
The fourth proportional to 370,196.84, 555,295.08 and 120,878.84 is: 181,318.20
Step by Step Solution
- Step 1: Write the proportion equation
370,196.84 : 555,295.08 = 120,878.84 : x - Step 2: Convert to fraction form
370,196.84/555,295.08 = 120,878.84/x - Step 3: Cross multiply
370,196.84x = 555,295.08 × 120,878.84 - Step 4: Simplify right side
370,196.84x = 67,123,425,128.11 - Step 5: Solve for x
x = 67,123,425,128.11/370,196.84 - Step 6: Final answer
x = 181,318.20
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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.