Finding the Fourth Proportional to 342,579.58, 472,747.76 and 189,618.07
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Solution
The fourth proportional to 342,579.58, 472,747.76 and 189,618.07 is: 261,666.26
Step by Step Solution
- Step 1: Write the proportion equation
342,579.58 : 472,747.76 = 189,618.07 : x - Step 2: Convert to fraction form
342,579.58/472,747.76 = 189,618.07/x - Step 3: Cross multiply
342,579.58x = 472,747.76 × 189,618.07 - Step 4: Simplify right side
342,579.58x = 89,641,516,899.93 - Step 5: Solve for x
x = 89,641,516,899.93/342,579.58 - Step 6: Final answer
x = 261,666.26
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.