Finding the Fourth Proportional to 358,454.24, 537,759.36 and 109,129.76
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Solution
The fourth proportional to 358,454.24, 537,759.36 and 109,129.76 is: 163,718.39
Step by Step Solution
- Step 1: Write the proportion equation
358,454.24 : 537,759.36 = 109,129.76 : x - Step 2: Convert to fraction form
358,454.24/537,759.36 = 109,129.76/x - Step 3: Cross multiply
358,454.24x = 537,759.36 × 109,129.76 - Step 4: Simplify right side
358,454.24x = 58,685,549,894.55 - Step 5: Solve for x
x = 58,685,549,894.55/358,454.24 - Step 6: Final answer
x = 163,718.39
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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.