Finding the Fourth Proportional to 268,575.30, 402,862.95 and 201,653.10
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Solution
The fourth proportional to 268,575.30, 402,862.95 and 201,653.10 is: 302,479.65
Step by Step Solution
- Step 1: Write the proportion equation
268,575.30 : 402,862.95 = 201,653.10 : x - Step 2: Convert to fraction form
268,575.30/402,862.95 = 201,653.10/x - Step 3: Cross multiply
268,575.30x = 402,862.95 × 201,653.10 - Step 4: Simplify right side
268,575.30x = 81,238,562,742.65 - Step 5: Solve for x
x = 81,238,562,742.65/268,575.30 - Step 6: Final answer
x = 302,479.65
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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.