Finding the Fourth Proportional to 245,844.93, 368,910.78 and 103,681.44
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Solution
The fourth proportional to 245,844.93, 368,910.78 and 103,681.44 is: 155,582.63
Step by Step Solution
- Step 1: Write the proportion equation
245,844.93 : 368,910.78 = 103,681.44 : x - Step 2: Convert to fraction form
245,844.93/368,910.78 = 103,681.44/x - Step 3: Cross multiply
245,844.93x = 368,910.78 × 103,681.44 - Step 4: Simplify right side
245,844.93x = 38,249,200,901.92 - Step 5: Solve for x
x = 38,249,200,901.92/245,844.93 - Step 6: Final answer
x = 155,582.63
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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.