Finding the Fourth Proportional to 150,228.40, 207,390.36 and 93,670.96
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Solution
The fourth proportional to 150,228.40, 207,390.36 and 93,670.96 is: 129,312.79
Step by Step Solution
- Step 1: Write the proportion equation
150,228.40 : 207,390.36 = 93,670.96 : x - Step 2: Convert to fraction form
150,228.40/207,390.36 = 93,670.96/x - Step 3: Cross multiply
150,228.40x = 207,390.36 × 93,670.96 - Step 4: Simplify right side
150,228.40x = 19,426,454,115.95 - Step 5: Solve for x
x = 19,426,454,115.95/150,228.40 - Step 6: Final answer
x = 129,312.79
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.