Finding the Fourth Proportional to 328,263.92, 492,462.12 and 103,659.44
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Solution
The fourth proportional to 328,263.92, 492,462.12 and 103,659.44 is: 155,510.08
Step by Step Solution
- Step 1: Write the proportion equation
328,263.92 : 492,462.12 = 103,659.44 : x - Step 2: Convert to fraction form
328,263.92/492,462.12 = 103,659.44/x - Step 3: Cross multiply
328,263.92x = 492,462.12 × 103,659.44 - Step 4: Simplify right side
328,263.92x = 51,048,347,580.41 - Step 5: Solve for x
x = 51,048,347,580.41/328,263.92 - Step 6: Final answer
x = 155,510.08
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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.