Finding the Fourth Proportional to 249,919.21, 344,529.71 and 178,174.68
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Solution
The fourth proportional to 249,919.21, 344,529.71 and 178,174.68 is: 245,625.26
Step by Step Solution
- Step 1: Write the proportion equation
249,919.21 : 344,529.71 = 178,174.68 : x - Step 2: Convert to fraction form
249,919.21/344,529.71 = 178,174.68/x - Step 3: Cross multiply
249,919.21x = 344,529.71 × 178,174.68 - Step 4: Simplify right side
249,919.21x = 61,386,470,829.74 - Step 5: Solve for x
x = 61,386,470,829.74/249,919.21 - Step 6: Final answer
x = 245,625.26
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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.