Finding the Fourth Proportional to 430,823.40, 646,235.10 and 110,974.65
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Solution
The fourth proportional to 430,823.40, 646,235.10 and 110,974.65 is: 166,461.98
Step by Step Solution
- Step 1: Write the proportion equation
430,823.40 : 646,235.10 = 110,974.65 : x - Step 2: Convert to fraction form
430,823.40/646,235.10 = 110,974.65/x - Step 3: Cross multiply
430,823.40x = 646,235.10 × 110,974.65 - Step 4: Simplify right side
430,823.40x = 71,715,714,040.22 - Step 5: Solve for x
x = 71,715,714,040.22/430,823.40 - Step 6: Final answer
x = 166,461.98
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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.