Finding the Fourth Proportional to 249,659.34, 344,529.89 and 136,482.09
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Solution
The fourth proportional to 249,659.34, 344,529.89 and 136,482.09 is: 188,345.28
Step by Step Solution
- Step 1: Write the proportion equation
249,659.34 : 344,529.89 = 136,482.09 : x - Step 2: Convert to fraction form
249,659.34/344,529.89 = 136,482.09/x - Step 3: Cross multiply
249,659.34x = 344,529.89 × 136,482.09 - Step 4: Simplify right side
249,659.34x = 47,022,159,454.67 - Step 5: Solve for x
x = 47,022,159,454.67/249,659.34 - Step 6: Final answer
x = 188,345.28
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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.