Finding the Fourth Proportional to 245,699.74, 368,551.65 and 68,220.59
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Solution
The fourth proportional to 245,699.74, 368,551.65 and 68,220.59 is: 102,331.45
Step by Step Solution
- Step 1: Write the proportion equation
245,699.74 : 368,551.65 = 68,220.59 : x - Step 2: Convert to fraction form
245,699.74/368,551.65 = 68,220.59/x - Step 3: Cross multiply
245,699.74x = 368,551.65 × 68,220.59 - Step 4: Simplify right side
245,699.74x = 25,142,809,165.72 - Step 5: Solve for x
x = 25,142,809,165.72/245,699.74 - Step 6: Final answer
x = 102,331.45
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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.