Finding the Fourth Proportional to 370,222.68, 555,334.08 and 133,565.28
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Solution
The fourth proportional to 370,222.68, 555,334.08 and 133,565.28 is: 200,347.94
Step by Step Solution
- Step 1: Write the proportion equation
370,222.68 : 555,334.08 = 133,565.28 : x - Step 2: Convert to fraction form
370,222.68/555,334.08 = 133,565.28/x - Step 3: Cross multiply
370,222.68x = 555,334.08 × 133,565.28 - Step 4: Simplify right side
370,222.68x = 74,173,351,888.74 - Step 5: Solve for x
x = 74,173,351,888.74/370,222.68 - Step 6: Final answer
x = 200,347.94
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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.