Finding the Fourth Proportional to 632,117.79, 948,177.68 and 258,140.79
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Solution
The fourth proportional to 632,117.79, 948,177.68 and 258,140.79 is: 387,211.59
Step by Step Solution
- Step 1: Write the proportion equation
632,117.79 : 948,177.68 = 258,140.79 : x - Step 2: Convert to fraction form
632,117.79/948,177.68 = 258,140.79/x - Step 3: Cross multiply
632,117.79x = 948,177.68 × 258,140.79 - Step 4: Simplify right side
632,117.79x = 244,763,334,084.86 - Step 5: Solve for x
x = 244,763,334,084.86/632,117.79 - Step 6: Final answer
x = 387,211.59
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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.