Finding the Fourth Proportional to 346,776.19, 520,164.28 and 97,458.19
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Solution
The fourth proportional to 346,776.19, 520,164.28 and 97,458.19 is: 146,187.28
Step by Step Solution
- Step 1: Write the proportion equation
346,776.19 : 520,164.28 = 97,458.19 : x - Step 2: Convert to fraction form
346,776.19/520,164.28 = 97,458.19/x - Step 3: Cross multiply
346,776.19x = 520,164.28 × 97,458.19 - Step 4: Simplify right side
346,776.19x = 50,694,268,052.87 - Step 5: Solve for x
x = 50,694,268,052.87/346,776.19 - Step 6: Final answer
x = 146,187.28
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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.