Finding the Fourth Proportional to 571,856.76, 857,792.43 and 151,128.99
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Solution
The fourth proportional to 571,856.76, 857,792.43 and 151,128.99 is: 226,695.41
Step by Step Solution
- Step 1: Write the proportion equation
571,856.76 : 857,792.43 = 151,128.99 : x - Step 2: Convert to fraction form
571,856.76/857,792.43 = 151,128.99/x - Step 3: Cross multiply
571,856.76x = 857,792.43 × 151,128.99 - Step 4: Simplify right side
571,856.76x = 129,637,303,575.55 - Step 5: Solve for x
x = 129,637,303,575.55/571,856.76 - Step 6: Final answer
x = 226,695.41
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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.