Finding the Fourth Proportional to 368,177.42, 508,087.86 and 207,031.06
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Solution
The fourth proportional to 368,177.42, 508,087.86 and 207,031.06 is: 285,704.56
Step by Step Solution
- Step 1: Write the proportion equation
368,177.42 : 508,087.86 = 207,031.06 : x - Step 2: Convert to fraction form
368,177.42/508,087.86 = 207,031.06/x - Step 3: Cross multiply
368,177.42x = 508,087.86 × 207,031.06 - Step 4: Simplify right side
368,177.42x = 105,189,968,228.93 - Step 5: Solve for x
x = 105,189,968,228.93/368,177.42 - Step 6: Final answer
x = 285,704.56
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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.