Finding the Fourth Proportional to 266,298.18, 367,442.40 and 157,420.08
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Solution
The fourth proportional to 266,298.18, 367,442.40 and 157,420.08 is: 217,210.69
Step by Step Solution
- Step 1: Write the proportion equation
266,298.18 : 367,442.40 = 157,420.08 : x - Step 2: Convert to fraction form
266,298.18/367,442.40 = 157,420.08/x - Step 3: Cross multiply
266,298.18x = 367,442.40 × 157,420.08 - Step 4: Simplify right side
266,298.18x = 57,842,812,003.39 - Step 5: Solve for x
x = 57,842,812,003.39/266,298.18 - Step 6: Final answer
x = 217,210.69
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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.