Finding the Fourth Proportional to 430,888.87, 646,377.45 and 164,873.13
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Solution
The fourth proportional to 430,888.87, 646,377.45 and 164,873.13 is: 247,326.59
Step by Step Solution
- Step 1: Write the proportion equation
430,888.87 : 646,377.45 = 164,873.13 : x - Step 2: Convert to fraction form
430,888.87/646,377.45 = 164,873.13/x - Step 3: Cross multiply
430,888.87x = 646,377.45 × 164,873.13 - Step 4: Simplify right side
430,888.87x = 106,570,273,342.92 - Step 5: Solve for x
x = 106,570,273,342.92/430,888.87 - Step 6: Final answer
x = 247,326.59
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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.