Finding the Fourth Proportional to 405,303.24, 559,347.42 and 224,011.23
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Solution
The fourth proportional to 405,303.24, 559,347.42 and 224,011.23 is: 309,151.50
Step by Step Solution
- Step 1: Write the proportion equation
405,303.24 : 559,347.42 = 224,011.23 : x - Step 2: Convert to fraction form
405,303.24/559,347.42 = 224,011.23/x - Step 3: Cross multiply
405,303.24x = 559,347.42 × 224,011.23 - Step 4: Simplify right side
405,303.24x = 125,300,103,551.53 - Step 5: Solve for x
x = 125,300,103,551.53/405,303.24 - Step 6: Final answer
x = 309,151.50
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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.