Finding the Fourth Proportional to 238,261.68, 328,798.65 and 130,830.69
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Solution
The fourth proportional to 238,261.68, 328,798.65 and 130,830.69 is: 180,545.00
Step by Step Solution
- Step 1: Write the proportion equation
238,261.68 : 328,798.65 = 130,830.69 : x - Step 2: Convert to fraction form
238,261.68/328,798.65 = 130,830.69/x - Step 3: Cross multiply
238,261.68x = 328,798.65 × 130,830.69 - Step 4: Simplify right side
238,261.68x = 43,016,954,250.57 - Step 5: Solve for x
x = 43,016,954,250.57/238,261.68 - Step 6: Final answer
x = 180,545.00
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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.