Finding the Fourth Proportional to 570,471.36, 855,695.52 and 196,486.08
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Solution
The fourth proportional to 570,471.36, 855,695.52 and 196,486.08 is: 294,725.15
Step by Step Solution
- Step 1: Write the proportion equation
570,471.36 : 855,695.52 = 196,486.08 : x - Step 2: Convert to fraction form
570,471.36/855,695.52 = 196,486.08/x - Step 3: Cross multiply
570,471.36x = 855,695.52 × 196,486.08 - Step 4: Simplify right side
570,471.36x = 168,132,258,398.36 - Step 5: Solve for x
x = 168,132,258,398.36/570,471.36 - Step 6: Final answer
x = 294,725.15
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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.