Finding the Fourth Proportional to 440,263.84, 607,558.80 and 239,061.28
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Solution
The fourth proportional to 440,263.84, 607,558.80 and 239,061.28 is: 329,901.69
Step by Step Solution
- Step 1: Write the proportion equation
440,263.84 : 607,558.80 = 239,061.28 : x - Step 2: Convert to fraction form
440,263.84/607,558.80 = 239,061.28/x - Step 3: Cross multiply
440,263.84x = 607,558.80 × 239,061.28 - Step 4: Simplify right side
440,263.84x = 145,243,784,403.26 - Step 5: Solve for x
x = 145,243,784,403.26/440,263.84 - Step 6: Final answer
x = 329,901.69
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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.