Finding the Fourth Proportional to 313,288.19, 432,326.07 and 170,045.15
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Solution
The fourth proportional to 313,288.19, 432,326.07 and 170,045.15 is: 234,655.99
Step by Step Solution
- Step 1: Write the proportion equation
313,288.19 : 432,326.07 = 170,045.15 : x - Step 2: Convert to fraction form
313,288.19/432,326.07 = 170,045.15/x - Step 3: Cross multiply
313,288.19x = 432,326.07 × 170,045.15 - Step 4: Simplify right side
313,288.19x = 73,514,951,422.06 - Step 5: Solve for x
x = 73,514,951,422.06/313,288.19 - Step 6: Final answer
x = 234,655.99
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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.