Finding the Fourth Proportional to 257,692.59, 386,660.79 and 124,498.08
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Solution
The fourth proportional to 257,692.59, 386,660.79 and 124,498.08 is: 186,806.02
Step by Step Solution
- Step 1: Write the proportion equation
257,692.59 : 386,660.79 = 124,498.08 : x - Step 2: Convert to fraction form
257,692.59/386,660.79 = 124,498.08/x - Step 3: Cross multiply
257,692.59x = 386,660.79 × 124,498.08 - Step 4: Simplify right side
257,692.59x = 48,138,525,966.28 - Step 5: Solve for x
x = 48,138,525,966.28/257,692.59 - Step 6: Final answer
x = 186,806.02
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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.