Finding the Fourth Proportional to 307,565.70, 461,348.55 and 228,833.70
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Solution
The fourth proportional to 307,565.70, 461,348.55 and 228,833.70 is: 343,250.55
Step by Step Solution
- Step 1: Write the proportion equation
307,565.70 : 461,348.55 = 228,833.70 : x - Step 2: Convert to fraction form
307,565.70/461,348.55 = 228,833.70/x - Step 3: Cross multiply
307,565.70x = 461,348.55 × 228,833.70 - Step 4: Simplify right side
307,565.70x = 105,572,095,686.14 - Step 5: Solve for x
x = 105,572,095,686.14/307,565.70 - Step 6: Final answer
x = 343,250.55
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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.