Finding the Fourth Proportional to 249,815.04, 344,752.99 and 136,637.78
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Solution
The fourth proportional to 249,815.04, 344,752.99 and 136,637.78 is: 188,564.64
Step by Step Solution
- Step 1: Write the proportion equation
249,815.04 : 344,752.99 = 136,637.78 : x - Step 2: Convert to fraction form
249,815.04/344,752.99 = 136,637.78/x - Step 3: Cross multiply
249,815.04x = 344,752.99 × 136,637.78 - Step 4: Simplify right side
249,815.04x = 47,106,283,201.96 - Step 5: Solve for x
x = 47,106,283,201.96/249,815.04 - Step 6: Final answer
x = 188,564.64
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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.