Finding the Fourth Proportional to 357,467.08, 493,313.16 and 194,130.40
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Solution
The fourth proportional to 357,467.08, 493,313.16 and 194,130.40 is: 267,904.62
Step by Step Solution
- Step 1: Write the proportion equation
357,467.08 : 493,313.16 = 194,130.40 : x - Step 2: Convert to fraction form
357,467.08/493,313.16 = 194,130.40/x - Step 3: Cross multiply
357,467.08x = 493,313.16 × 194,130.40 - Step 4: Simplify right side
357,467.08x = 95,767,081,076.06 - Step 5: Solve for x
x = 95,767,081,076.06/357,467.08 - Step 6: Final answer
x = 267,904.62
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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.