Finding the Fourth Proportional to 430,266.80, 644,233.80 and 336,954.80
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Solution
The fourth proportional to 430,266.80, 644,233.80 and 336,954.80 is: 504,518.76
Step by Step Solution
- Step 1: Write the proportion equation
430,266.80 : 644,233.80 = 336,954.80 : x - Step 2: Convert to fraction form
430,266.80/644,233.80 = 336,954.80/x - Step 3: Cross multiply
430,266.80x = 644,233.80 × 336,954.80 - Step 4: Simplify right side
430,266.80x = 217,077,671,232.24 - Step 5: Solve for x
x = 217,077,671,232.24/430,266.80 - Step 6: Final answer
x = 504,518.76
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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.