Finding the Fourth Proportional to 251,415.20, 346,903.36 and 141,037.52
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Solution
The fourth proportional to 251,415.20, 346,903.36 and 141,037.52 is: 194,603.94
Step by Step Solution
- Step 1: Write the proportion equation
251,415.20 : 346,903.36 = 141,037.52 : x - Step 2: Convert to fraction form
251,415.20/346,903.36 = 141,037.52/x - Step 3: Cross multiply
251,415.20x = 346,903.36 × 141,037.52 - Step 4: Simplify right side
251,415.20x = 48,926,389,574.07 - Step 5: Solve for x
x = 48,926,389,574.07/251,415.20 - Step 6: Final answer
x = 194,603.94
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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.