Finding the Fourth Proportional to 249,908.08, 344,881.74 and 136,730.80
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Solution
The fourth proportional to 249,908.08, 344,881.74 and 136,730.80 is: 188,693.20
Step by Step Solution
- Step 1: Write the proportion equation
249,908.08 : 344,881.74 = 136,730.80 : x - Step 2: Convert to fraction form
249,908.08/344,881.74 = 136,730.80/x - Step 3: Cross multiply
249,908.08x = 344,881.74 × 136,730.80 - Step 4: Simplify right side
249,908.08x = 47,155,956,215.59 - Step 5: Solve for x
x = 47,155,956,215.59/249,908.08 - Step 6: Final answer
x = 188,693.20
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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.