Finding the Fourth Proportional to 449,210.14, 619,905.75 and 245,259.31
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Solution
The fourth proportional to 449,210.14, 619,905.75 and 245,259.31 is: 338,455.53
Step by Step Solution
- Step 1: Write the proportion equation
449,210.14 : 619,905.75 = 245,259.31 : x - Step 2: Convert to fraction form
449,210.14/619,905.75 = 245,259.31/x - Step 3: Cross multiply
449,210.14x = 619,905.75 × 245,259.31 - Step 4: Simplify right side
449,210.14x = 152,037,656,510.03 - Step 5: Solve for x
x = 152,037,656,510.03/449,210.14 - Step 6: Final answer
x = 338,455.53
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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.