Finding the Fourth Proportional to 430,738.84, 594,439.14 and 239,764.42
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Solution
The fourth proportional to 430,738.84, 594,439.14 and 239,764.42 is: 330,885.78
Step by Step Solution
- Step 1: Write the proportion equation
430,738.84 : 594,439.14 = 239,764.42 : x - Step 2: Convert to fraction form
430,738.84/594,439.14 = 239,764.42/x - Step 3: Cross multiply
430,738.84x = 594,439.14 × 239,764.42 - Step 4: Simplify right side
430,738.84x = 142,525,355,627.40 - Step 5: Solve for x
x = 142,525,355,627.40/430,738.84 - Step 6: Final answer
x = 330,885.78
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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.