Finding the Fourth Proportional to 149,489.63, 224,235.25 and 38,681.63
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Solution
The fourth proportional to 149,489.63, 224,235.25 and 38,681.63 is: 58,022.65
Step by Step Solution
- Step 1: Write the proportion equation
149,489.63 : 224,235.25 = 38,681.63 : x - Step 2: Convert to fraction form
149,489.63/224,235.25 = 38,681.63/x - Step 3: Cross multiply
149,489.63x = 224,235.25 × 38,681.63 - Step 4: Simplify right side
149,489.63x = 8,673,784,973.46 - Step 5: Solve for x
x = 8,673,784,973.46/149,489.63 - Step 6: Final answer
x = 58,022.65
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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.