Finding the Fourth Proportional to 257,525.28, 355,381.08 and 142,804.08
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Solution
The fourth proportional to 257,525.28, 355,381.08 and 142,804.08 is: 197,067.52
Step by Step Solution
- Step 1: Write the proportion equation
257,525.28 : 355,381.08 = 142,804.08 : x - Step 2: Convert to fraction form
257,525.28/355,381.08 = 142,804.08/x - Step 3: Cross multiply
257,525.28x = 355,381.08 × 142,804.08 - Step 4: Simplify right side
257,525.28x = 50,749,868,178.81 - Step 5: Solve for x
x = 50,749,868,178.81/257,525.28 - Step 6: Final answer
x = 197,067.52
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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.