Finding the Fourth Proportional to 291,440.70, 437,076.95 and 122,998.77
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Solution
The fourth proportional to 291,440.70, 437,076.95 and 122,998.77 is: 184,462.66
Step by Step Solution
- Step 1: Write the proportion equation
291,440.70 : 437,076.95 = 122,998.77 : x - Step 2: Convert to fraction form
291,440.70/437,076.95 = 122,998.77/x - Step 3: Cross multiply
291,440.70x = 437,076.95 × 122,998.77 - Step 4: Simplify right side
291,440.70x = 53,759,926,630.36 - Step 5: Solve for x
x = 53,759,926,630.36/291,440.70 - Step 6: Final answer
x = 184,462.66
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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.