Finding the Fourth Proportional to 403,925.12, 557,418.88 and 234,259.84
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Solution
The fourth proportional to 403,925.12, 557,418.88 and 234,259.84 is: 323,279.86
Step by Step Solution
- Step 1: Write the proportion equation
403,925.12 : 557,418.88 = 234,259.84 : x - Step 2: Convert to fraction form
403,925.12/557,418.88 = 234,259.84/x - Step 3: Cross multiply
403,925.12x = 557,418.88 × 234,259.84 - Step 4: Simplify right side
403,925.12x = 130,580,857,641.78 - Step 5: Solve for x
x = 130,580,857,641.78/403,925.12 - Step 6: Final answer
x = 323,279.86
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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.