Finding the Fourth Proportional to 178,155.20, 245,854.28 and 97,584.07
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Solution
The fourth proportional to 178,155.20, 245,854.28 and 97,584.07 is: 134,666.07
Step by Step Solution
- Step 1: Write the proportion equation
178,155.20 : 245,854.28 = 97,584.07 : x - Step 2: Convert to fraction form
178,155.20/245,854.28 = 97,584.07/x - Step 3: Cross multiply
178,155.20x = 245,854.28 × 97,584.07 - Step 4: Simplify right side
178,155.20x = 23,991,461,269.32 - Step 5: Solve for x
x = 23,991,461,269.32/178,155.20 - Step 6: Final answer
x = 134,666.07
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.