Finding the Fourth Proportional to 370,139.06, 555,208.52 and 201,800.96
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Solution
The fourth proportional to 370,139.06, 555,208.52 and 201,800.96 is: 302,701.40
Step by Step Solution
- Step 1: Write the proportion equation
370,139.06 : 555,208.52 = 201,800.96 : x - Step 2: Convert to fraction form
370,139.06/555,208.52 = 201,800.96/x - Step 3: Cross multiply
370,139.06x = 555,208.52 × 201,800.96 - Step 4: Simplify right side
370,139.06x = 112,041,612,336.18 - Step 5: Solve for x
x = 112,041,612,336.18/370,139.06 - Step 6: Final answer
x = 302,701.40
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.