Finding the Fourth Proportional to 440,430.48, 607,794.30 and 239,226.48
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Solution
The fourth proportional to 440,430.48, 607,794.30 and 239,226.48 is: 330,132.67
Step by Step Solution
- Step 1: Write the proportion equation
440,430.48 : 607,794.30 = 239,226.48 : x - Step 2: Convert to fraction form
440,430.48/607,794.30 = 239,226.48/x - Step 3: Cross multiply
440,430.48x = 607,794.30 × 239,226.48 - Step 4: Simplify right side
440,430.48x = 145,400,490,953.06 - Step 5: Solve for x
x = 145,400,490,953.06/440,430.48 - Step 6: Final answer
x = 330,132.67
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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.