Finding the Fourth Proportional to 456,854.55, 685,437.49 and 137,014.17
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Solution
The fourth proportional to 456,854.55, 685,437.49 and 137,014.17 is: 205,567.94
Step by Step Solution
- Step 1: Write the proportion equation
456,854.55 : 685,437.49 = 137,014.17 : x - Step 2: Convert to fraction form
456,854.55/685,437.49 = 137,014.17/x - Step 3: Cross multiply
456,854.55x = 685,437.49 × 137,014.17 - Step 4: Simplify right side
456,854.55x = 93,914,648,779.23 - Step 5: Solve for x
x = 93,914,648,779.23/456,854.55 - Step 6: Final answer
x = 205,567.94
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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.