Finding the Fourth Proportional to 430,675.10, 594,331.64 and 239,733.60
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Solution
The fourth proportional to 430,675.10, 594,331.64 and 239,733.60 is: 330,832.37
Step by Step Solution
- Step 1: Write the proportion equation
430,675.10 : 594,331.64 = 239,733.60 : x - Step 2: Convert to fraction form
430,675.10/594,331.64 = 239,733.60/x - Step 3: Cross multiply
430,675.10x = 594,331.64 × 239,733.60 - Step 4: Simplify right side
430,675.10x = 142,481,261,278.78 - Step 5: Solve for x
x = 142,481,261,278.78/430,675.10 - Step 6: Final answer
x = 330,832.37
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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.