Finding the Fourth Proportional to 758,856.94, 1,138,258.24 and 190,242.74
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Solution
The fourth proportional to 758,856.94, 1,138,258.24 and 190,242.74 is: 285,357.30
Step by Step Solution
- Step 1: Write the proportion equation
758,856.94 : 1,138,258.24 = 190,242.74 : x - Step 2: Convert to fraction form
758,856.94/1,138,258.24 = 190,242.74/x - Step 3: Cross multiply
758,856.94x = 1,138,258.24 × 190,242.74 - Step 4: Simplify right side
758,856.94x = 216,545,366,405.18 - Step 5: Solve for x
x = 216,545,366,405.18/758,856.94 - Step 6: Final answer
x = 285,357.30
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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.