Finding the Fourth Proportional to 440,228.91, 607,518.32 and 239,024.91
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Solution
The fourth proportional to 440,228.91, 607,518.32 and 239,024.91 is: 329,855.69
Step by Step Solution
- Step 1: Write the proportion equation
440,228.91 : 607,518.32 = 239,024.91 : x - Step 2: Convert to fraction form
440,228.91/607,518.32 = 239,024.91/x - Step 3: Cross multiply
440,228.91x = 607,518.32 × 239,024.91 - Step 4: Simplify right side
440,228.91x = 145,212,010,566.23 - Step 5: Solve for x
x = 145,212,010,566.23/440,228.91 - Step 6: Final answer
x = 329,855.69
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1.5x scale
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.