Finding the Fourth Proportional to 257,671.06, 386,188.49 and 186,836.87
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Solution
The fourth proportional to 257,671.06, 386,188.49 and 186,836.87 is: 280,024.65
Step by Step Solution
- Step 1: Write the proportion equation
257,671.06 : 386,188.49 = 186,836.87 : x - Step 2: Convert to fraction form
257,671.06/386,188.49 = 186,836.87/x - Step 3: Cross multiply
257,671.06x = 386,188.49 × 186,836.87 - Step 4: Simplify right side
257,671.06x = 72,154,248,701.63 - Step 5: Solve for x
x = 72,154,248,701.63/257,671.06 - Step 6: Final answer
x = 280,024.65
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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.