Finding the Fourth Proportional to 153,631.08, 230,445.54 and 42,823.08
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Solution
The fourth proportional to 153,631.08, 230,445.54 and 42,823.08 is: 64,234.32
Step by Step Solution
- Step 1: Write the proportion equation
153,631.08 : 230,445.54 = 42,823.08 : x - Step 2: Convert to fraction form
153,631.08/230,445.54 = 42,823.08/x - Step 3: Cross multiply
153,631.08x = 230,445.54 × 42,823.08 - Step 4: Simplify right side
153,631.08x = 9,868,387,795.06 - Step 5: Solve for x
x = 9,868,387,795.06/153,631.08 - Step 6: Final answer
x = 64,234.32
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.