Finding the Fourth Proportional to 375,766.60, 518,562.18 and 214,643.08
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Solution
The fourth proportional to 375,766.60, 518,562.18 and 214,643.08 is: 296,209.89
Step by Step Solution
- Step 1: Write the proportion equation
375,766.60 : 518,562.18 = 214,643.08 : x - Step 2: Convert to fraction form
375,766.60/518,562.18 = 214,643.08/x - Step 3: Cross multiply
375,766.60x = 518,562.18 × 214,643.08 - Step 4: Simplify right side
375,766.60x = 111,305,783,486.71 - Step 5: Solve for x
x = 111,305,783,486.71/375,766.60 - Step 6: Final answer
x = 296,209.89
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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.