Finding the Fourth Proportional to 330,337.06, 495,579.42 and 105,710.99
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Solution
The fourth proportional to 330,337.06, 495,579.42 and 105,710.99 is: 158,590.10
Step by Step Solution
- Step 1: Write the proportion equation
330,337.06 : 495,579.42 = 105,710.99 : x - Step 2: Convert to fraction form
330,337.06/495,579.42 = 105,710.99/x - Step 3: Cross multiply
330,337.06x = 495,579.42 × 105,710.99 - Step 4: Simplify right side
330,337.06x = 52,388,188,633.93 - Step 5: Solve for x
x = 52,388,188,633.93/330,337.06 - Step 6: Final answer
x = 158,590.10
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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.