Finding the Fourth Proportional to 185,923.08, 278,947.74 and 67,603.88
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Solution
The fourth proportional to 185,923.08, 278,947.74 and 67,603.88 is: 101,428.77
Step by Step Solution
- Step 1: Write the proportion equation
185,923.08 : 278,947.74 = 67,603.88 : x - Step 2: Convert to fraction form
185,923.08/278,947.74 = 67,603.88/x - Step 3: Cross multiply
185,923.08x = 278,947.74 × 67,603.88 - Step 4: Simplify right side
185,923.08x = 18,857,949,541.23 - Step 5: Solve for x
x = 18,857,949,541.23/185,923.08 - Step 6: Final answer
x = 101,428.77
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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.