Finding the Fourth Proportional to 472,435.08, 651,935.70 and 268,458.72
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Solution
The fourth proportional to 472,435.08, 651,935.70 and 268,458.72 is: 370,458.99
Step by Step Solution
- Step 1: Write the proportion equation
472,435.08 : 651,935.70 = 268,458.72 : x - Step 2: Convert to fraction form
472,435.08/651,935.70 = 268,458.72/x - Step 3: Cross multiply
472,435.08x = 651,935.70 × 268,458.72 - Step 4: Simplify right side
472,435.08x = 175,017,823,544.30 - Step 5: Solve for x
x = 175,017,823,544.30/472,435.08 - Step 6: Final answer
x = 370,458.99
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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.