Finding the Fourth Proportional to 248,031.42, 372,038.84 and 107,790.06
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Solution
The fourth proportional to 248,031.42, 372,038.84 and 107,790.06 is: 161,681.49
Step by Step Solution
- Step 1: Write the proportion equation
248,031.42 : 372,038.84 = 107,790.06 : x - Step 2: Convert to fraction form
248,031.42/372,038.84 = 107,790.06/x - Step 3: Cross multiply
248,031.42x = 372,038.84 × 107,790.06 - Step 4: Simplify right side
248,031.42x = 40,102,088,885.93 - Step 5: Solve for x
x = 40,102,088,885.93/248,031.42 - Step 6: Final answer
x = 161,681.49
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.