Finding the Fourth Proportional to 249,936.84, 344,911.40 and 135,215.12
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Solution
The fourth proportional to 249,936.84, 344,911.40 and 135,215.12 is: 186,596.09
Step by Step Solution
- Step 1: Write the proportion equation
249,936.84 : 344,911.40 = 135,215.12 : x - Step 2: Convert to fraction form
249,936.84/344,911.40 = 135,215.12/x - Step 3: Cross multiply
249,936.84x = 344,911.40 × 135,215.12 - Step 4: Simplify right side
249,936.84x = 46,637,237,033.63 - Step 5: Solve for x
x = 46,637,237,033.63/249,936.84 - Step 6: Final answer
x = 186,596.09
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1.5x scale
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.