Finding the Fourth Proportional to 306,671.08, 423,206.05 and 170,702.10
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Solution
The fourth proportional to 306,671.08, 423,206.05 and 170,702.10 is: 235,568.88
Step by Step Solution
- Step 1: Write the proportion equation
306,671.08 : 423,206.05 = 170,702.10 : x - Step 2: Convert to fraction form
306,671.08/423,206.05 = 170,702.10/x - Step 3: Cross multiply
306,671.08x = 423,206.05 × 170,702.10 - Step 4: Simplify right side
306,671.08x = 72,242,161,467.71 - Step 5: Solve for x
x = 72,242,161,467.71/306,671.08 - Step 6: Final answer
x = 235,568.88
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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.