Finding the Fourth Proportional to 185,794.74, 256,502.97 and 122,317.07
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Solution
The fourth proportional to 185,794.74, 256,502.97 and 122,317.07 is: 168,867.48
Step by Step Solution
- Step 1: Write the proportion equation
185,794.74 : 256,502.97 = 122,317.07 : x - Step 2: Convert to fraction form
185,794.74/256,502.97 = 122,317.07/x - Step 3: Cross multiply
185,794.74x = 256,502.97 × 122,317.07 - Step 4: Simplify right side
185,794.74x = 31,374,690,454.18 - Step 5: Solve for x
x = 31,374,690,454.18/185,794.74 - Step 6: Final answer
x = 168,867.48
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1.5x scale
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.