Finding the Fourth Proportional to 437,924.15, 656,829.63 and 138,434.95
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Solution
The fourth proportional to 437,924.15, 656,829.63 and 138,434.95 is: 207,634.53
Step by Step Solution
- Step 1: Write the proportion equation
437,924.15 : 656,829.63 = 138,434.95 : x - Step 2: Convert to fraction form
437,924.15/656,829.63 = 138,434.95/x - Step 3: Cross multiply
437,924.15x = 656,829.63 × 138,434.95 - Step 4: Simplify right side
437,924.15x = 90,928,173,703.42 - Step 5: Solve for x
x = 90,928,173,703.42/437,924.15 - Step 6: Final answer
x = 207,634.53
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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.