Finding the Fourth Proportional to 372,451.40, 514,038.28 and 219,440.68
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Solution
The fourth proportional to 372,451.40, 514,038.28 and 219,440.68 is: 302,860.75
Step by Step Solution
- Step 1: Write the proportion equation
372,451.40 : 514,038.28 = 219,440.68 : x - Step 2: Convert to fraction form
372,451.40/514,038.28 = 219,440.68/x - Step 3: Cross multiply
372,451.40x = 514,038.28 × 219,440.68 - Step 4: Simplify right side
372,451.40x = 112,800,909,709.23 - Step 5: Solve for x
x = 112,800,909,709.23/372,451.40 - Step 6: Final answer
x = 302,860.75
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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.