Finding the Fourth Proportional to 430,672.62, 594,328.22 and 239,731.12
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Solution
The fourth proportional to 430,672.62, 594,328.22 and 239,731.12 is: 330,828.95
Step by Step Solution
- Step 1: Write the proportion equation
430,672.62 : 594,328.22 = 239,731.12 : x - Step 2: Convert to fraction form
430,672.62/594,328.22 = 239,731.12/x - Step 3: Cross multiply
430,672.62x = 594,328.22 × 239,731.12 - Step 4: Simplify right side
430,672.62x = 142,478,970,359.24 - Step 5: Solve for x
x = 142,478,970,359.24/430,672.62 - Step 6: Final answer
x = 330,828.95
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.