Finding the Fourth Proportional to 375,917.94, 518,718.95 and 214,783.42
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Solution
The fourth proportional to 375,917.94, 518,718.95 and 214,783.42 is: 296,373.80
Step by Step Solution
- Step 1: Write the proportion equation
375,917.94 : 518,718.95 = 214,783.42 : x - Step 2: Convert to fraction form
375,917.94/518,718.95 = 214,783.42/x - Step 3: Cross multiply
375,917.94x = 518,718.95 × 214,783.42 - Step 4: Simplify right side
375,917.94x = 111,412,230,099.81 - Step 5: Solve for x
x = 111,412,230,099.81/375,917.94 - Step 6: Final answer
x = 296,373.80
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.