Finding the Fourth Proportional to 513,475.77, 770,204.08 and 153,646.84
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Solution
The fourth proportional to 513,475.77, 770,204.08 and 153,646.84 is: 230,467.39
Step by Step Solution
- Step 1: Write the proportion equation
513,475.77 : 770,204.08 = 153,646.84 : x - Step 2: Convert to fraction form
513,475.77/770,204.08 = 153,646.84/x - Step 3: Cross multiply
513,475.77x = 770,204.08 × 153,646.84 - Step 4: Simplify right side
513,475.77x = 118,339,420,301.66 - Step 5: Solve for x
x = 118,339,420,301.66/513,475.77 - Step 6: Final answer
x = 230,467.39
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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.