Finding the Fourth Proportional to 513,155.93, 769,842.56 and 153,354.79
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Solution
The fourth proportional to 513,155.93, 769,842.56 and 153,354.79 is: 230,064.66
Step by Step Solution
- Step 1: Write the proportion equation
513,155.93 : 769,842.56 = 153,354.79 : x - Step 2: Convert to fraction form
513,155.93/769,842.56 = 153,354.79/x - Step 3: Cross multiply
513,155.93x = 769,842.56 × 153,354.79 - Step 4: Simplify right side
513,155.93x = 118,059,041,430.48 - Step 5: Solve for x
x = 118,059,041,430.48/513,155.93 - Step 6: Final answer
x = 230,064.66
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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.