Finding the Fourth Proportional to 249,475.84, 344,178.93 and 153,816.46
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Solution
The fourth proportional to 249,475.84, 344,178.93 and 153,816.46 is: 212,206.46
Step by Step Solution
- Step 1: Write the proportion equation
249,475.84 : 344,178.93 = 153,816.46 : x - Step 2: Convert to fraction form
249,475.84/344,178.93 = 153,816.46/x - Step 3: Cross multiply
249,475.84x = 344,178.93 × 153,816.46 - Step 4: Simplify right side
249,475.84x = 52,940,384,619.19 - Step 5: Solve for x
x = 52,940,384,619.19/249,475.84 - Step 6: Final answer
x = 212,206.46
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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.