Finding the Fourth Proportional to 257,607.24, 355,498.11 and 142,881.90
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Solution
The fourth proportional to 257,607.24, 355,498.11 and 142,881.90 is: 197,177.09
Step by Step Solution
- Step 1: Write the proportion equation
257,607.24 : 355,498.11 = 142,881.90 : x - Step 2: Convert to fraction form
257,607.24/355,498.11 = 142,881.90/x - Step 3: Cross multiply
257,607.24x = 355,498.11 × 142,881.90 - Step 4: Simplify right side
257,607.24x = 50,794,245,403.21 - Step 5: Solve for x
x = 50,794,245,403.21/257,607.24 - Step 6: Final answer
x = 197,177.09
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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.