Finding the Fourth Proportional to 135,045.10, 202,567.65 and 84,962.80
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Solution
The fourth proportional to 135,045.10, 202,567.65 and 84,962.80 is: 127,444.20
Step by Step Solution
- Step 1: Write the proportion equation
135,045.10 : 202,567.65 = 84,962.80 : x - Step 2: Convert to fraction form
135,045.10/202,567.65 = 84,962.80/x - Step 3: Cross multiply
135,045.10x = 202,567.65 × 84,962.80 - Step 4: Simplify right side
135,045.10x = 17,210,714,733.42 - Step 5: Solve for x
x = 17,210,714,733.42/135,045.10 - Step 6: Final answer
x = 127,444.20
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.