Finding the Fourth Proportional to 156,823.26, 216,447.69 and 93,148.74
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Solution
The fourth proportional to 156,823.26, 216,447.69 and 93,148.74 is: 128,564.03
Step by Step Solution
- Step 1: Write the proportion equation
156,823.26 : 216,447.69 = 93,148.74 : x - Step 2: Convert to fraction form
156,823.26/216,447.69 = 93,148.74/x - Step 3: Cross multiply
156,823.26x = 216,447.69 × 93,148.74 - Step 4: Simplify right side
156,823.26x = 20,161,829,599.41 - Step 5: Solve for x
x = 20,161,829,599.41/156,823.26 - Step 6: Final answer
x = 128,564.03
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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.