Finding the Fourth Proportional to 451,621.98, 677,479.95 and 152,135.82
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Solution
The fourth proportional to 451,621.98, 677,479.95 and 152,135.82 is: 228,219.56
Step by Step Solution
- Step 1: Write the proportion equation
451,621.98 : 677,479.95 = 152,135.82 : x - Step 2: Convert to fraction form
451,621.98/677,479.95 = 152,135.82/x - Step 3: Cross multiply
451,621.98x = 677,479.95 × 152,135.82 - Step 4: Simplify right side
451,621.98x = 103,068,967,726.81 - Step 5: Solve for x
x = 103,068,967,726.81/451,621.98 - Step 6: Final answer
x = 228,219.56
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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.