Finding the Fourth Proportional to 448,709.36, 619,194.58 and 257,722.80
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Solution
The fourth proportional to 448,709.36, 619,194.58 and 257,722.80 is: 355,643.48
Step by Step Solution
- Step 1: Write the proportion equation
448,709.36 : 619,194.58 = 257,722.80 : x - Step 2: Convert to fraction form
448,709.36/619,194.58 = 257,722.80/x - Step 3: Cross multiply
448,709.36x = 619,194.58 × 257,722.80 - Step 4: Simplify right side
448,709.36x = 159,580,557,936.14 - Step 5: Solve for x
x = 159,580,557,936.14/448,709.36 - Step 6: Final answer
x = 355,643.48
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.