Finding the Fourth Proportional to 177,315.80, 265,973.70 and 142,323.80
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Solution
The fourth proportional to 177,315.80, 265,973.70 and 142,323.80 is: 213,485.70
Step by Step Solution
- Step 1: Write the proportion equation
177,315.80 : 265,973.70 = 142,323.80 : x - Step 2: Convert to fraction form
177,315.80/265,973.70 = 142,323.80/x - Step 3: Cross multiply
177,315.80x = 265,973.70 × 142,323.80 - Step 4: Simplify right side
177,315.80x = 37,854,387,684.06 - Step 5: Solve for x
x = 37,854,387,684.06/177,315.80 - Step 6: Final answer
x = 213,485.70
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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.