Finding the Fourth Proportional to 375,368.84, 518,017.42 and 214,220.68
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Solution
The fourth proportional to 375,368.84, 518,017.42 and 214,220.68 is: 295,629.34
Step by Step Solution
- Step 1: Write the proportion equation
375,368.84 : 518,017.42 = 214,220.68 : x - Step 2: Convert to fraction form
375,368.84/518,017.42 = 214,220.68/x - Step 3: Cross multiply
375,368.84x = 518,017.42 × 214,220.68 - Step 4: Simplify right side
375,368.84x = 110,970,043,964.25 - Step 5: Solve for x
x = 110,970,043,964.25/375,368.84 - Step 6: Final answer
x = 295,629.34
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1.5x scale
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.