Finding the Fourth Proportional to 489,934.60, 734,901.62 and 153,004.12
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Solution
The fourth proportional to 489,934.60, 734,901.62 and 153,004.12 is: 229,506.09
Step by Step Solution
- Step 1: Write the proportion equation
489,934.60 : 734,901.62 = 153,004.12 : x - Step 2: Convert to fraction form
489,934.60/734,901.62 = 153,004.12/x - Step 3: Cross multiply
489,934.60x = 734,901.62 × 153,004.12 - Step 4: Simplify right side
489,934.60x = 112,442,975,654.67 - Step 5: Solve for x
x = 112,442,975,654.67/489,934.60 - Step 6: Final answer
x = 229,506.09
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1.5x scale
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.