Finding the Fourth Proportional to 519,313.90, 778,894.05 and 145,374.70
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Solution
The fourth proportional to 519,313.90, 778,894.05 and 145,374.70 is: 218,040.55
Step by Step Solution
- Step 1: Write the proportion equation
519,313.90 : 778,894.05 = 145,374.70 : x - Step 2: Convert to fraction form
519,313.90/778,894.05 = 145,374.70/x - Step 3: Cross multiply
519,313.90x = 778,894.05 × 145,374.70 - Step 4: Simplify right side
519,313.90x = 113,231,488,850.54 - Step 5: Solve for x
x = 113,231,488,850.54/519,313.90 - Step 6: Final answer
x = 218,040.55
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.