Finding the Fourth Proportional to 97,291.20, 145,936.80 and 62,299.20
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Solution
The fourth proportional to 97,291.20, 145,936.80 and 62,299.20 is: 93,448.80
Step by Step Solution
- Step 1: Write the proportion equation
97,291.20 : 145,936.80 = 62,299.20 : x - Step 2: Convert to fraction form
97,291.20/145,936.80 = 62,299.20/x - Step 3: Cross multiply
97,291.20x = 145,936.80 × 62,299.20 - Step 4: Simplify right side
97,291.20x = 9,091,745,890.56 - Step 5: Solve for x
x = 9,091,745,890.56/97,291.20 - Step 6: Final answer
x = 93,448.80
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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.