Finding the Fourth Proportional to 266,793.84, 368,268.12 and 153,661.68
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Solution
The fourth proportional to 266,793.84, 368,268.12 and 153,661.68 is: 212,106.46
Step by Step Solution
- Step 1: Write the proportion equation
266,793.84 : 368,268.12 = 153,661.68 : x - Step 2: Convert to fraction form
266,793.84/368,268.12 = 153,661.68/x - Step 3: Cross multiply
266,793.84x = 368,268.12 × 153,661.68 - Step 4: Simplify right side
266,793.84x = 56,588,698,009.64 - Step 5: Solve for x
x = 56,588,698,009.64/266,793.84 - Step 6: Final answer
x = 212,106.46
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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.