Finding the Fourth Proportional to 369,464.66, 509,866.88 and 216,466.23
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Solution
The fourth proportional to 369,464.66, 509,866.88 and 216,466.23 is: 298,726.71
Step by Step Solution
- Step 1: Write the proportion equation
369,464.66 : 509,866.88 = 216,466.23 : x - Step 2: Convert to fraction form
369,464.66/509,866.88 = 216,466.23/x - Step 3: Cross multiply
369,464.66x = 509,866.88 × 216,466.23 - Step 4: Simplify right side
369,464.66x = 110,368,960,233.13 - Step 5: Solve for x
x = 110,368,960,233.13/369,464.66 - Step 6: Final answer
x = 298,726.71
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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.