Finding the Fourth Proportional to 355,618.24, 533,639.52 and 127,894.80
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Solution
The fourth proportional to 355,618.24, 533,639.52 and 127,894.80 is: 191,918.50
Step by Step Solution
- Step 1: Write the proportion equation
355,618.24 : 533,639.52 = 127,894.80 : x - Step 2: Convert to fraction form
355,618.24/533,639.52 = 127,894.80/x - Step 3: Cross multiply
355,618.24x = 533,639.52 × 127,894.80 - Step 4: Simplify right side
355,618.24x = 68,249,719,682.50 - Step 5: Solve for x
x = 68,249,719,682.50/355,618.24 - Step 6: Final answer
x = 191,918.50
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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.