Finding the Fourth Proportional to 430,624.16, 594,249.36 and 239,644.32
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Solution
The fourth proportional to 430,624.16, 594,249.36 and 239,644.32 is: 330,702.49
Step by Step Solution
- Step 1: Write the proportion equation
430,624.16 : 594,249.36 = 239,644.32 : x - Step 2: Convert to fraction form
430,624.16/594,249.36 = 239,644.32/x - Step 3: Cross multiply
430,624.16x = 594,249.36 × 239,644.32 - Step 4: Simplify right side
430,624.16x = 142,408,483,787.64 - Step 5: Solve for x
x = 142,408,483,787.64/430,624.16 - Step 6: Final answer
x = 330,702.49
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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.