Finding the Fourth Proportional to 613,570.84, 920,419.12 and 234,810.14
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Solution
The fourth proportional to 613,570.84, 920,419.12 and 234,810.14 is: 352,239.27
Step by Step Solution
- Step 1: Write the proportion equation
613,570.84 : 920,419.12 = 234,810.14 : x - Step 2: Convert to fraction form
613,570.84/920,419.12 = 234,810.14/x - Step 3: Cross multiply
613,570.84x = 920,419.12 × 234,810.14 - Step 4: Simplify right side
613,570.84x = 216,123,742,425.88 - Step 5: Solve for x
x = 216,123,742,425.88/613,570.84 - Step 6: Final answer
x = 352,239.27
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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.