Finding the Fourth Proportional to 402,682.38, 555,482.98 and 249,668.92
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Solution
The fourth proportional to 402,682.38, 555,482.98 and 249,668.92 is: 344,407.51
Step by Step Solution
- Step 1: Write the proportion equation
402,682.38 : 555,482.98 = 249,668.92 : x - Step 2: Convert to fraction form
402,682.38/555,482.98 = 249,668.92/x - Step 3: Cross multiply
402,682.38x = 555,482.98 × 249,668.92 - Step 4: Simplify right side
402,682.38x = 138,686,835,694.98 - Step 5: Solve for x
x = 138,686,835,694.98/402,682.38 - Step 6: Final answer
x = 344,407.51
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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.