Finding the Fourth Proportional to 427,031.95, 589,283.73 and 233,449.65
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Solution
The fourth proportional to 427,031.95, 589,283.73 and 233,449.65 is: 322,149.39
Step by Step Solution
- Step 1: Write the proportion equation
427,031.95 : 589,283.73 = 233,449.65 : x - Step 2: Convert to fraction form
427,031.95/589,283.73 = 233,449.65/x - Step 3: Cross multiply
427,031.95x = 589,283.73 × 233,449.65 - Step 4: Simplify right side
427,031.95x = 137,568,080,519.19 - Step 5: Solve for x
x = 137,568,080,519.19/427,031.95 - Step 6: Final answer
x = 322,149.39
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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.