Finding the Fourth Proportional to 325,263.16, 448,910.12 and 187,415.70
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Solution
The fourth proportional to 325,263.16, 448,910.12 and 187,415.70 is: 258,660.72
Step by Step Solution
- Step 1: Write the proportion equation
325,263.16 : 448,910.12 = 187,415.70 : x - Step 2: Convert to fraction form
325,263.16/448,910.12 = 187,415.70/x - Step 3: Cross multiply
325,263.16x = 448,910.12 × 187,415.70 - Step 4: Simplify right side
325,263.16x = 84,132,803,162.01 - Step 5: Solve for x
x = 84,132,803,162.01/325,263.16 - Step 6: Final answer
x = 258,660.72
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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.