Finding the Fourth Proportional to 552,965.32, 763,216.60 and 361,867.99
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Solution
The fourth proportional to 552,965.32, 763,216.60 and 361,867.99 is: 499,459.28
Step by Step Solution
- Step 1: Write the proportion equation
552,965.32 : 763,216.60 = 361,867.99 : x - Step 2: Convert to fraction form
552,965.32/763,216.60 = 361,867.99/x - Step 3: Cross multiply
552,965.32x = 763,216.60 × 361,867.99 - Step 4: Simplify right side
552,965.32x = 276,183,659,946.63 - Step 5: Solve for x
x = 276,183,659,946.63/552,965.32 - Step 6: Final answer
x = 499,459.28
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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.