Finding the Fourth Proportional to 371,508.93, 557,263.40 and 91,023.75
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Solution
The fourth proportional to 371,508.93, 557,263.40 and 91,023.75 is: 136,535.63
Step by Step Solution
- Step 1: Write the proportion equation
371,508.93 : 557,263.40 = 91,023.75 : x - Step 2: Convert to fraction form
371,508.93/557,263.40 = 91,023.75/x - Step 3: Cross multiply
371,508.93x = 557,263.40 × 91,023.75 - Step 4: Simplify right side
371,508.93x = 50,724,203,950.63 - Step 5: Solve for x
x = 50,724,203,950.63/371,508.93 - Step 6: Final answer
x = 136,535.63
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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.