Finding the Fourth Proportional to 340,458.98, 469,761.93 and 197,210.42
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Solution
The fourth proportional to 340,458.98, 469,761.93 and 197,210.42 is: 272,108.99
Step by Step Solution
- Step 1: Write the proportion equation
340,458.98 : 469,761.93 = 197,210.42 : x - Step 2: Convert to fraction form
340,458.98/469,761.93 = 197,210.42/x - Step 3: Cross multiply
340,458.98x = 469,761.93 × 197,210.42 - Step 4: Simplify right side
340,458.98x = 92,641,947,515.31 - Step 5: Solve for x
x = 92,641,947,515.31/340,458.98 - Step 6: Final answer
x = 272,108.99
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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.