Finding the Fourth Proportional to 207,624.03, 286,521.18 and 112,130.70
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Solution
The fourth proportional to 207,624.03, 286,521.18 and 112,130.70 is: 154,740.38
Step by Step Solution
- Step 1: Write the proportion equation
207,624.03 : 286,521.18 = 112,130.70 : x - Step 2: Convert to fraction form
207,624.03/286,521.18 = 112,130.70/x - Step 3: Cross multiply
207,624.03x = 286,521.18 × 112,130.70 - Step 4: Simplify right side
207,624.03x = 32,127,820,478.23 - Step 5: Solve for x
x = 32,127,820,478.23/207,624.03 - Step 6: Final answer
x = 154,740.38
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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.