Finding the Fourth Proportional to 267,123.74, 368,640.68 and 152,421.05
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Solution
The fourth proportional to 267,123.74, 368,640.68 and 152,421.05 is: 210,346.70
Step by Step Solution
- Step 1: Write the proportion equation
267,123.74 : 368,640.68 = 152,421.05 : x - Step 2: Convert to fraction form
267,123.74/368,640.68 = 152,421.05/x - Step 3: Cross multiply
267,123.74x = 368,640.68 × 152,421.05 - Step 4: Simplify right side
267,123.74x = 56,188,596,913.01 - Step 5: Solve for x
x = 56,188,596,913.01/267,123.74 - Step 6: Final answer
x = 210,346.70
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1.5x scale
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.