Finding the Fourth Proportional to 249,489.49, 344,295.60 and 134,768.12
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Solution
The fourth proportional to 249,489.49, 344,295.60 and 134,768.12 is: 185,980.07
Step by Step Solution
- Step 1: Write the proportion equation
249,489.49 : 344,295.60 = 134,768.12 : x - Step 2: Convert to fraction form
249,489.49/344,295.60 = 134,768.12/x - Step 3: Cross multiply
249,489.49x = 344,295.60 × 134,768.12 - Step 4: Simplify right side
249,489.49x = 46,400,070,736.27 - Step 5: Solve for x
x = 46,400,070,736.27/249,489.49 - Step 6: Final answer
x = 185,980.07
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.