Finding the Fourth Proportional to 245,519.71, 368,369.48 and 103,400.75
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Solution
The fourth proportional to 245,519.71, 368,369.48 and 103,400.75 is: 155,139.00
Step by Step Solution
- Step 1: Write the proportion equation
245,519.71 : 368,369.48 = 103,400.75 : x - Step 2: Convert to fraction form
245,519.71/368,369.48 = 103,400.75/x - Step 3: Cross multiply
245,519.71x = 368,369.48 × 103,400.75 - Step 4: Simplify right side
245,519.71x = 38,089,681,688.54 - Step 5: Solve for x
x = 38,089,681,688.54/245,519.71 - Step 6: Final answer
x = 155,139.00
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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.