Finding the Fourth Proportional to 630,977.99, 946,469.41 and 157,663.80
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Solution
The fourth proportional to 630,977.99, 946,469.41 and 157,663.80 is: 236,496.31
Step by Step Solution
- Step 1: Write the proportion equation
630,977.99 : 946,469.41 = 157,663.80 : x - Step 2: Convert to fraction form
630,977.99/946,469.41 = 157,663.80/x - Step 3: Cross multiply
630,977.99x = 946,469.41 × 157,663.80 - Step 4: Simplify right side
630,977.99x = 149,223,963,370.20 - Step 5: Solve for x
x = 149,223,963,370.20/630,977.99 - Step 6: Final answer
x = 236,496.31
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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.