Finding the Fourth Proportional to 238,079.68, 328,553.99 and 130,659.71
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Solution
The fourth proportional to 238,079.68, 328,553.99 and 130,659.71 is: 180,312.60
Step by Step Solution
- Step 1: Write the proportion equation
238,079.68 : 328,553.99 = 130,659.71 : x - Step 2: Convert to fraction form
238,079.68/328,553.99 = 130,659.71/x - Step 3: Cross multiply
238,079.68x = 328,553.99 × 130,659.71 - Step 4: Simplify right side
238,079.68x = 42,928,766,756.67 - Step 5: Solve for x
x = 42,928,766,756.67/238,079.68 - Step 6: Final answer
x = 180,312.60
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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.