Finding the Fourth Proportional to 330,031.23, 455,430.92 and 179,124.99
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Solution
The fourth proportional to 330,031.23, 455,430.92 and 179,124.99 is: 247,185.87
Step by Step Solution
- Step 1: Write the proportion equation
330,031.23 : 455,430.92 = 179,124.99 : x - Step 2: Convert to fraction form
330,031.23/455,430.92 = 179,124.99/x - Step 3: Cross multiply
330,031.23x = 455,430.92 × 179,124.99 - Step 4: Simplify right side
330,031.23x = 81,579,058,095.07 - Step 5: Solve for x
x = 81,579,058,095.07/330,031.23 - Step 6: Final answer
x = 247,185.87
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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.