Finding the Fourth Proportional to 346,089.60, 519,134.42 and 146,358.20
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Solution
The fourth proportional to 346,089.60, 519,134.42 and 146,358.20 is: 219,537.31
Step by Step Solution
- Step 1: Write the proportion equation
346,089.60 : 519,134.42 = 146,358.20 : x - Step 2: Convert to fraction form
346,089.60/519,134.42 = 146,358.20/x - Step 3: Cross multiply
346,089.60x = 519,134.42 × 146,358.20 - Step 4: Simplify right side
346,089.60x = 75,979,579,269.24 - Step 5: Solve for x
x = 75,979,579,269.24/346,089.60 - Step 6: Final answer
x = 219,537.31
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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.