Finding the Fourth Proportional to 234,130.05, 351,159.44 and 76,358.25
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Solution
The fourth proportional to 234,130.05, 351,159.44 and 76,358.25 is: 114,525.75
Step by Step Solution
- Step 1: Write the proportion equation
234,130.05 : 351,159.44 = 76,358.25 : x - Step 2: Convert to fraction form
234,130.05/351,159.44 = 76,358.25/x - Step 3: Cross multiply
234,130.05x = 351,159.44 × 76,358.25 - Step 4: Simplify right side
234,130.05x = 26,813,919,927.59 - Step 5: Solve for x
x = 26,813,919,927.59/234,130.05 - Step 6: Final answer
x = 114,525.75
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1.5x scale
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.