Finding the Fourth Proportional to 513,289.24, 769,925.38 and 153,460.92
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Solution
The fourth proportional to 513,289.24, 769,925.38 and 153,460.92 is: 230,188.84
Step by Step Solution
- Step 1: Write the proportion equation
513,289.24 : 769,925.38 = 153,460.92 : x - Step 2: Convert to fraction form
513,289.24/769,925.38 = 153,460.92/x - Step 3: Cross multiply
513,289.24x = 769,925.38 × 153,460.92 - Step 4: Simplify right side
513,289.24x = 118,153,457,146.15 - Step 5: Solve for x
x = 118,153,457,146.15/513,289.24 - Step 6: Final answer
x = 230,188.84
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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.