Finding the Fourth Proportional to 97,257.60, 145,562.40 and 70,527.60
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Solution
The fourth proportional to 97,257.60, 145,562.40 and 70,527.60 is: 105,556.45
Step by Step Solution
- Step 1: Write the proportion equation
97,257.60 : 145,562.40 = 70,527.60 : x - Step 2: Convert to fraction form
97,257.60/145,562.40 = 70,527.60/x - Step 3: Cross multiply
97,257.60x = 145,562.40 × 70,527.60 - Step 4: Simplify right side
97,257.60x = 10,266,166,722.24 - Step 5: Solve for x
x = 10,266,166,722.24/97,257.60 - Step 6: Final answer
x = 105,556.45
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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.