Finding the Fourth Proportional to 633,140.70, 948,904.65 and 258,740.70
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Solution
The fourth proportional to 633,140.70, 948,904.65 and 258,740.70 is: 387,781.50
Step by Step Solution
- Step 1: Write the proportion equation
633,140.70 : 948,904.65 = 258,740.70 : x - Step 2: Convert to fraction form
633,140.70/948,904.65 = 258,740.70/x - Step 3: Cross multiply
633,140.70x = 948,904.65 × 258,740.70 - Step 4: Simplify right side
633,140.70x = 245,520,253,374.26 - Step 5: Solve for x
x = 245,520,253,374.26/633,140.70 - Step 6: Final answer
x = 387,781.50
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.