Finding the Fourth Proportional to 153,267.08, 211,506.54 and 86,199.08
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Solution
The fourth proportional to 153,267.08, 211,506.54 and 86,199.08 is: 118,953.59
Step by Step Solution
- Step 1: Write the proportion equation
153,267.08 : 211,506.54 = 86,199.08 : x - Step 2: Convert to fraction form
153,267.08/211,506.54 = 86,199.08/x - Step 3: Cross multiply
153,267.08x = 211,506.54 × 86,199.08 - Step 4: Simplify right side
153,267.08x = 18,231,669,161.98 - Step 5: Solve for x
x = 18,231,669,161.98/153,267.08 - Step 6: Final answer
x = 118,953.59
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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.