Finding the Fourth Proportional to 257,471.96, 355,291.71 and 144,272.84
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Solution
The fourth proportional to 257,471.96, 355,291.71 and 144,272.84 is: 199,085.54
Step by Step Solution
- Step 1: Write the proportion equation
257,471.96 : 355,291.71 = 144,272.84 : x - Step 2: Convert to fraction form
257,471.96/355,291.71 = 144,272.84/x - Step 3: Cross multiply
257,471.96x = 355,291.71 × 144,272.84 - Step 4: Simplify right side
257,471.96x = 51,258,944,030.16 - Step 5: Solve for x
x = 51,258,944,030.16/257,471.96 - Step 6: Final answer
x = 199,085.54
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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.