Finding the Fourth Proportional to 423,122.58, 583,925.49 and 232,144.02
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Solution
The fourth proportional to 423,122.58, 583,925.49 and 232,144.02 is: 320,367.71
Step by Step Solution
- Step 1: Write the proportion equation
423,122.58 : 583,925.49 = 232,144.02 : x - Step 2: Convert to fraction form
423,122.58/583,925.49 = 232,144.02/x - Step 3: Cross multiply
423,122.58x = 583,925.49 × 232,144.02 - Step 4: Simplify right side
423,122.58x = 135,554,810,629.07 - Step 5: Solve for x
x = 135,554,810,629.07/423,122.58 - Step 6: Final answer
x = 320,367.71
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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.