Finding the Fourth Proportional to 251,135.42, 346,567.11 and 137,965.50
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Solution
The fourth proportional to 251,135.42, 346,567.11 and 137,965.50 is: 190,392.52
Step by Step Solution
- Step 1: Write the proportion equation
251,135.42 : 346,567.11 = 137,965.50 : x - Step 2: Convert to fraction form
251,135.42/346,567.11 = 137,965.50/x - Step 3: Cross multiply
251,135.42x = 346,567.11 × 137,965.50 - Step 4: Simplify right side
251,135.42x = 47,814,304,614.71 - Step 5: Solve for x
x = 47,814,304,614.71/251,135.42 - Step 6: Final answer
x = 190,392.52
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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.