Finding the Fourth Proportional to 249,963.32, 344,948.14 and 136,785.08
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Solution
The fourth proportional to 249,963.32, 344,948.14 and 136,785.08 is: 188,762.73
Step by Step Solution
- Step 1: Write the proportion equation
249,963.32 : 344,948.14 = 136,785.08 : x - Step 2: Convert to fraction form
249,963.32/344,948.14 = 136,785.08/x - Step 3: Cross multiply
249,963.32x = 344,948.14 × 136,785.08 - Step 4: Simplify right side
249,963.32x = 47,183,758,925.75 - Step 5: Solve for x
x = 47,183,758,925.75/249,963.32 - Step 6: Final answer
x = 188,762.73
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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.