Finding the Fourth Proportional to 249,679.14, 344,557.14 and 136,501.88
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Solution
The fourth proportional to 249,679.14, 344,557.14 and 136,501.88 is: 188,372.55
Step by Step Solution
- Step 1: Write the proportion equation
249,679.14 : 344,557.14 = 136,501.88 : x - Step 2: Convert to fraction form
249,679.14/344,557.14 = 136,501.88/x - Step 3: Cross multiply
249,679.14x = 344,557.14 × 136,501.88 - Step 4: Simplify right side
249,679.14x = 47,032,697,377.42 - Step 5: Solve for x
x = 47,032,697,377.42/249,679.14 - Step 6: Final answer
x = 188,372.55
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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.