Finding the Fourth Proportional to 375,765.60, 518,560.80 and 214,642.08
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Solution
The fourth proportional to 375,765.60, 518,560.80 and 214,642.08 is: 296,208.51
Step by Step Solution
- Step 1: Write the proportion equation
375,765.60 : 518,560.80 = 214,642.08 : x - Step 2: Convert to fraction form
375,765.60/518,560.80 = 214,642.08/x - Step 3: Cross multiply
375,765.60x = 518,560.80 × 214,642.08 - Step 4: Simplify right side
375,765.60x = 111,304,968,718.46 - Step 5: Solve for x
x = 111,304,968,718.46/375,765.60 - Step 6: Final answer
x = 296,208.51
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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.