Finding the Fourth Proportional to 249,376.36, 344,130.26 and 136,196.68
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Solution
The fourth proportional to 249,376.36, 344,130.26 and 136,196.68 is: 187,946.44
Step by Step Solution
- Step 1: Write the proportion equation
249,376.36 : 344,130.26 = 136,196.68 : x - Step 2: Convert to fraction form
249,376.36/344,130.26 = 136,196.68/x - Step 3: Cross multiply
249,376.36x = 344,130.26 × 136,196.68 - Step 4: Simplify right side
249,376.36x = 46,869,398,899.54 - Step 5: Solve for x
x = 46,869,398,899.54/249,376.36 - Step 6: Final answer
x = 187,946.44
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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.