Finding the Fourth Proportional to 185,695.00, 256,259.36 and 100,812.06
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Solution
The fourth proportional to 185,695.00, 256,259.36 and 100,812.06 is: 139,120.79
Step by Step Solution
- Step 1: Write the proportion equation
185,695.00 : 256,259.36 = 100,812.06 : x - Step 2: Convert to fraction form
185,695.00/256,259.36 = 100,812.06/x - Step 3: Cross multiply
185,695.00x = 256,259.36 × 100,812.06 - Step 4: Simplify right side
185,695.00x = 25,834,034,227.91 - Step 5: Solve for x
x = 25,834,034,227.91/185,695.00 - Step 6: Final answer
x = 139,120.79
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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.