Finding the Fourth Proportional to 266,638.84, 368,054.26 and 153,506.68
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Solution
The fourth proportional to 266,638.84, 368,054.26 and 153,506.68 is: 211,892.56
Step by Step Solution
- Step 1: Write the proportion equation
266,638.84 : 368,054.26 = 153,506.68 : x - Step 2: Convert to fraction form
266,638.84/368,054.26 = 153,506.68/x - Step 3: Cross multiply
266,638.84x = 368,054.26 × 153,506.68 - Step 4: Simplify right side
266,638.84x = 56,498,787,512.46 - Step 5: Solve for x
x = 56,498,787,512.46/266,638.84 - Step 6: Final answer
x = 211,892.56
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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.