Finding the Fourth Proportional to 453,794.24, 679,410.12 and 240,078.08
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Solution
The fourth proportional to 453,794.24, 679,410.12 and 240,078.08 is: 359,439.28
Step by Step Solution
- Step 1: Write the proportion equation
453,794.24 : 679,410.12 = 240,078.08 : x - Step 2: Convert to fraction form
453,794.24/679,410.12 = 240,078.08/x - Step 3: Cross multiply
453,794.24x = 679,410.12 × 240,078.08 - Step 4: Simplify right side
453,794.24x = 163,111,477,142.17 - Step 5: Solve for x
x = 163,111,477,142.17/453,794.24 - Step 6: Final answer
x = 359,439.28
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1.5x scale
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.