Finding the Fourth Proportional to 330,124.68, 495,219.78 and 119,779.02
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Solution
The fourth proportional to 330,124.68, 495,219.78 and 119,779.02 is: 179,680.42
Step by Step Solution
- Step 1: Write the proportion equation
330,124.68 : 495,219.78 = 119,779.02 : x - Step 2: Convert to fraction form
330,124.68/495,219.78 = 119,779.02/x - Step 3: Cross multiply
330,124.68x = 495,219.78 × 119,779.02 - Step 4: Simplify right side
330,124.68x = 59,316,939,933.02 - Step 5: Solve for x
x = 59,316,939,933.02/330,124.68 - Step 6: Final answer
x = 179,680.42
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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.