Finding the Fourth Proportional to 249,683.76, 344,568.87 and 136,504.08
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Solution
The fourth proportional to 249,683.76, 344,568.87 and 136,504.08 is: 188,378.52
Step by Step Solution
- Step 1: Write the proportion equation
249,683.76 : 344,568.87 = 136,504.08 : x - Step 2: Convert to fraction form
249,683.76/344,568.87 = 136,504.08/x - Step 3: Cross multiply
249,683.76x = 344,568.87 × 136,504.08 - Step 4: Simplify right side
249,683.76x = 47,035,056,595.99 - Step 5: Solve for x
x = 47,035,056,595.99/249,683.76 - Step 6: Final answer
x = 188,378.52
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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.