Finding the Fourth Proportional to 156,743.24, 235,154.64 and 72,564.08
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Solution
The fourth proportional to 156,743.24, 235,154.64 and 72,564.08 is: 108,864.54
Step by Step Solution
- Step 1: Write the proportion equation
156,743.24 : 235,154.64 = 72,564.08 : x - Step 2: Convert to fraction form
156,743.24/235,154.64 = 72,564.08/x - Step 3: Cross multiply
156,743.24x = 235,154.64 × 72,564.08 - Step 4: Simplify right side
156,743.24x = 17,063,780,109.33 - Step 5: Solve for x
x = 17,063,780,109.33/156,743.24 - Step 6: Final answer
x = 108,864.54
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.