Finding the Fourth Proportional to 230,779.80, 346,169.70 and 106,363.80
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Solution
The fourth proportional to 230,779.80, 346,169.70 and 106,363.80 is: 159,545.70
Step by Step Solution
- Step 1: Write the proportion equation
230,779.80 : 346,169.70 = 106,363.80 : x - Step 2: Convert to fraction form
230,779.80/346,169.70 = 106,363.80/x - Step 3: Cross multiply
230,779.80x = 346,169.70 × 106,363.80 - Step 4: Simplify right side
230,779.80x = 36,819,924,736.86 - Step 5: Solve for x
x = 36,819,924,736.86/230,779.80 - Step 6: Final answer
x = 159,545.70
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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.