Finding the Fourth Proportional to 278,030.84, 383,672.28 and 150,703.70
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Solution
The fourth proportional to 278,030.84, 383,672.28 and 150,703.70 is: 207,965.53
Step by Step Solution
- Step 1: Write the proportion equation
278,030.84 : 383,672.28 = 150,703.70 : x - Step 2: Convert to fraction form
278,030.84/383,672.28 = 150,703.70/x - Step 3: Cross multiply
278,030.84x = 383,672.28 × 150,703.70 - Step 4: Simplify right side
278,030.84x = 57,820,832,183.44 - Step 5: Solve for x
x = 57,820,832,183.44/278,030.84 - Step 6: Final answer
x = 207,965.53
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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.