Finding the Fourth Proportional to 280,258.18, 386,764.52 and 152,941.99
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Solution
The fourth proportional to 280,258.18, 386,764.52 and 152,941.99 is: 211,064.44
Step by Step Solution
- Step 1: Write the proportion equation
280,258.18 : 386,764.52 = 152,941.99 : x - Step 2: Convert to fraction form
280,258.18/386,764.52 = 152,941.99/x - Step 3: Cross multiply
280,258.18x = 386,764.52 × 152,941.99 - Step 4: Simplify right side
280,258.18x = 59,152,534,585.48 - Step 5: Solve for x
x = 59,152,534,585.48/280,258.18 - Step 6: Final answer
x = 211,064.44
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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.