Finding the Fourth Proportional to 430,155.68, 593,612.87 and 239,157.68
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Solution
The fourth proportional to 430,155.68, 593,612.87 and 239,157.68 is: 330,036.50
Step by Step Solution
- Step 1: Write the proportion equation
430,155.68 : 593,612.87 = 239,157.68 : x - Step 2: Convert to fraction form
430,155.68/593,612.87 = 239,157.68/x - Step 3: Cross multiply
430,155.68x = 593,612.87 × 239,157.68 - Step 4: Simplify right side
430,155.68x = 141,967,072,643.49 - Step 5: Solve for x
x = 141,967,072,643.49/430,155.68 - Step 6: Final answer
x = 330,036.50
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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.