Finding the Fourth Proportional to 526,820.79, 790,203.51 and 147,767.79
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Solution
The fourth proportional to 526,820.79, 790,203.51 and 147,767.79 is: 221,643.92
Step by Step Solution
- Step 1: Write the proportion equation
526,820.79 : 790,203.51 = 147,767.79 : x - Step 2: Convert to fraction form
526,820.79/790,203.51 = 147,767.79/x - Step 3: Cross multiply
526,820.79x = 790,203.51 × 147,767.79 - Step 4: Simplify right side
526,820.79x = 116,766,626,322.94 - Step 5: Solve for x
x = 116,766,626,322.94/526,820.79 - Step 6: Final answer
x = 221,643.92
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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.