Finding the Fourth Proportional to 449,507.32, 620,312.27 and 245,552.99
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Solution
The fourth proportional to 449,507.32, 620,312.27 and 245,552.99 is: 338,858.85
Step by Step Solution
- Step 1: Write the proportion equation
449,507.32 : 620,312.27 = 245,552.99 : x - Step 2: Convert to fraction form
449,507.32/620,312.27 = 245,552.99/x - Step 3: Cross multiply
449,507.32x = 620,312.27 × 245,552.99 - Step 4: Simplify right side
449,507.32x = 152,319,532,955.20 - Step 5: Solve for x
x = 152,319,532,955.20/449,507.32 - Step 6: Final answer
x = 338,858.85
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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.