Finding the Fourth Proportional to 358,368.23, 537,630.12 and 109,043.75
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Solution
The fourth proportional to 358,368.23, 537,630.12 and 109,043.75 is: 163,589.29
Step by Step Solution
- Step 1: Write the proportion equation
358,368.23 : 537,630.12 = 109,043.75 : x - Step 2: Convert to fraction form
358,368.23/537,630.12 = 109,043.75/x - Step 3: Cross multiply
358,368.23x = 537,630.12 × 109,043.75 - Step 4: Simplify right side
358,368.23x = 58,625,203,852.53 - Step 5: Solve for x
x = 58,625,203,852.53/358,368.23 - Step 6: Final answer
x = 163,589.29
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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.