Finding the Fourth Proportional to 207,246.81, 286,000.61 and 117,822.81
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Solution
The fourth proportional to 207,246.81, 286,000.61 and 117,822.81 is: 162,595.48
Step by Step Solution
- Step 1: Write the proportion equation
207,246.81 : 286,000.61 = 117,822.81 : x - Step 2: Convert to fraction form
207,246.81/286,000.61 = 117,822.81/x - Step 3: Cross multiply
207,246.81x = 286,000.61 × 117,822.81 - Step 4: Simplify right side
207,246.81x = 33,697,395,531.91 - Step 5: Solve for x
x = 33,697,395,531.91/207,246.81 - Step 6: Final answer
x = 162,595.48
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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.