Finding the Fourth Proportional to 430,655.20, 594,296.08 and 239,666.88
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Solution
The fourth proportional to 430,655.20, 594,296.08 and 239,666.88 is: 330,735.79
Step by Step Solution
- Step 1: Write the proportion equation
430,655.20 : 594,296.08 = 239,666.88 : x - Step 2: Convert to fraction form
430,655.20/594,296.08 = 239,666.88/x - Step 3: Cross multiply
430,655.20x = 594,296.08 × 239,666.88 - Step 4: Simplify right side
430,655.20x = 142,433,087,289.83 - Step 5: Solve for x
x = 142,433,087,289.83/430,655.20 - Step 6: Final answer
x = 330,735.79
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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.