Finding the Fourth Proportional to 375,943.18, 518,829.06 and 214,794.78
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Solution
The fourth proportional to 375,943.18, 518,829.06 and 214,794.78 is: 296,432.49
Step by Step Solution
- Step 1: Write the proportion equation
375,943.18 : 518,829.06 = 214,794.78 : x - Step 2: Convert to fraction form
375,943.18/518,829.06 = 214,794.78/x - Step 3: Cross multiply
375,943.18x = 518,829.06 × 214,794.78 - Step 4: Simplify right side
375,943.18x = 111,441,773,800.31 - Step 5: Solve for x
x = 111,441,773,800.31/375,943.18 - Step 6: Final answer
x = 296,432.49
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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.