Finding the Fourth Proportional to 238,233.36, 328,747.14 and 130,802.70
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Solution
The fourth proportional to 238,233.36, 328,747.14 and 130,802.70 is: 180,499.55
Step by Step Solution
- Step 1: Write the proportion equation
238,233.36 : 328,747.14 = 130,802.70 : x - Step 2: Convert to fraction form
238,233.36/328,747.14 = 130,802.70/x - Step 3: Cross multiply
238,233.36x = 328,747.14 × 130,802.70 - Step 4: Simplify right side
238,233.36x = 43,001,013,529.28 - Step 5: Solve for x
x = 43,001,013,529.28/238,233.36 - Step 6: Final answer
x = 180,499.55
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1.5x scale
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.