Finding the Fourth Proportional to 330,125.15, 495,220.53 and 119,779.49
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Solution
The fourth proportional to 330,125.15, 495,220.53 and 119,779.49 is: 179,681.14
Step by Step Solution
- Step 1: Write the proportion equation
330,125.15 : 495,220.53 = 119,779.49 : x - Step 2: Convert to fraction form
330,125.15/495,220.53 = 119,779.49/x - Step 3: Cross multiply
330,125.15x = 495,220.53 × 119,779.49 - Step 4: Simplify right side
330,125.15x = 59,317,264,208.15 - Step 5: Solve for x
x = 59,317,264,208.15/330,125.15 - Step 6: Final answer
x = 179,681.14
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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.