Finding the Fourth Proportional to 430,345.08, 593,830.70 and 239,327.80
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Solution
The fourth proportional to 430,345.08, 593,830.70 and 239,327.80 is: 330,247.05
Step by Step Solution
- Step 1: Write the proportion equation
430,345.08 : 593,830.70 = 239,327.80 : x - Step 2: Convert to fraction form
430,345.08/593,830.70 = 239,327.80/x - Step 3: Cross multiply
430,345.08x = 593,830.70 × 239,327.80 - Step 4: Simplify right side
430,345.08x = 142,120,195,003.46 - Step 5: Solve for x
x = 142,120,195,003.46/430,345.08 - Step 6: Final answer
x = 330,247.05
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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.