Finding the Fourth Proportional to 110,828.80, 152,941.68 and 62,430.88
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Solution
The fourth proportional to 110,828.80, 152,941.68 and 62,430.88 is: 86,153.45
Step by Step Solution
- Step 1: Write the proportion equation
110,828.80 : 152,941.68 = 62,430.88 : x - Step 2: Convert to fraction form
110,828.80/152,941.68 = 62,430.88/x - Step 3: Cross multiply
110,828.80x = 152,941.68 × 62,430.88 - Step 4: Simplify right side
110,828.80x = 9,548,283,671.08 - Step 5: Solve for x
x = 9,548,283,671.08/110,828.80 - Step 6: Final answer
x = 86,153.45
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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.