Finding the Fourth Proportional to 257,683.14, 355,480.02 and 171,682.02
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Solution
The fourth proportional to 257,683.14, 355,480.02 and 171,682.02 is: 236,839.43
Step by Step Solution
- Step 1: Write the proportion equation
257,683.14 : 355,480.02 = 171,682.02 : x - Step 2: Convert to fraction form
257,683.14/355,480.02 = 171,682.02/x - Step 3: Cross multiply
257,683.14x = 355,480.02 × 171,682.02 - Step 4: Simplify right side
257,683.14x = 61,029,527,903.24 - Step 5: Solve for x
x = 61,029,527,903.24/257,683.14 - Step 6: Final answer
x = 236,839.43
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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.