Finding the Fourth Proportional to 505,811.79, 759,091.74 and 239,572.77
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Solution
The fourth proportional to 505,811.79, 759,091.74 and 239,572.77 is: 359,536.32
Step by Step Solution
- Step 1: Write the proportion equation
505,811.79 : 759,091.74 = 239,572.77 : x - Step 2: Convert to fraction form
505,811.79/759,091.74 = 239,572.77/x - Step 3: Cross multiply
505,811.79x = 759,091.74 × 239,572.77 - Step 4: Simplify right side
505,811.79x = 181,857,710,835.92 - Step 5: Solve for x
x = 181,857,710,835.92/505,811.79 - Step 6: Final answer
x = 359,536.32
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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.