Finding the Fourth Proportional to 330,095.19, 455,461.29 and 194,079.50
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Solution
The fourth proportional to 330,095.19, 455,461.29 and 194,079.50 is: 267,788.50
Step by Step Solution
- Step 1: Write the proportion equation
330,095.19 : 455,461.29 = 194,079.50 : x - Step 2: Convert to fraction form
330,095.19/455,461.29 = 194,079.50/x - Step 3: Cross multiply
330,095.19x = 455,461.29 × 194,079.50 - Step 4: Simplify right side
330,095.19x = 88,395,697,155.25 - Step 5: Solve for x
x = 88,395,697,155.25/330,095.19 - Step 6: Final answer
x = 267,788.50
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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.