Finding the Fourth Proportional to 169,605.16, 234,156.66 and 106,029.08
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Solution
The fourth proportional to 169,605.16, 234,156.66 and 106,029.08 is: 146,383.61
Step by Step Solution
- Step 1: Write the proportion equation
169,605.16 : 234,156.66 = 106,029.08 : x - Step 2: Convert to fraction form
169,605.16/234,156.66 = 106,029.08/x - Step 3: Cross multiply
169,605.16x = 234,156.66 × 106,029.08 - Step 4: Simplify right side
169,605.16x = 24,827,415,235.67 - Step 5: Solve for x
x = 24,827,415,235.67/169,605.16 - Step 6: Final answer
x = 146,383.61
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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.