Finding the Fourth Proportional to 152,945.06, 211,040.79 and 84,955.79
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Solution
The fourth proportional to 152,945.06, 211,040.79 and 84,955.79 is: 117,225.99
Step by Step Solution
- Step 1: Write the proportion equation
152,945.06 : 211,040.79 = 84,955.79 : x - Step 2: Convert to fraction form
152,945.06/211,040.79 = 84,955.79/x - Step 3: Cross multiply
152,945.06x = 211,040.79 × 84,955.79 - Step 4: Simplify right side
152,945.06x = 17,929,136,536.46 - Step 5: Solve for x
x = 17,929,136,536.46/152,945.06 - Step 6: Final answer
x = 117,225.99
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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.