Finding the Fourth Proportional to 266,633.84, 368,047.36 and 153,501.68
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Solution
The fourth proportional to 266,633.84, 368,047.36 and 153,501.68 is: 211,885.66
Step by Step Solution
- Step 1: Write the proportion equation
266,633.84 : 368,047.36 = 153,501.68 : x - Step 2: Convert to fraction form
266,633.84/368,047.36 = 153,501.68/x - Step 3: Cross multiply
266,633.84x = 368,047.36 × 153,501.68 - Step 4: Simplify right side
266,633.84x = 56,495,888,079.56 - Step 5: Solve for x
x = 56,495,888,079.56/266,633.84 - Step 6: Final answer
x = 211,885.66
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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.