Finding the Fourth Proportional to 224,973.68, 310,541.86 and 129,518.42
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Solution
The fourth proportional to 224,973.68, 310,541.86 and 129,518.42 is: 178,780.43
Step by Step Solution
- Step 1: Write the proportion equation
224,973.68 : 310,541.86 = 129,518.42 : x - Step 2: Convert to fraction form
224,973.68/310,541.86 = 129,518.42/x - Step 3: Cross multiply
224,973.68x = 310,541.86 × 129,518.42 - Step 4: Simplify right side
224,973.68x = 40,220,891,051.06 - Step 5: Solve for x
x = 40,220,891,051.06/224,973.68 - Step 6: Final answer
x = 178,780.43
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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.