Finding the Fourth Proportional to 349,590.24, 524,419.44 and 139,178.88
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Solution
The fourth proportional to 349,590.24, 524,419.44 and 139,178.88 is: 208,781.89
Step by Step Solution
- Step 1: Write the proportion equation
349,590.24 : 524,419.44 = 139,178.88 : x - Step 2: Convert to fraction form
349,590.24/524,419.44 = 139,178.88/x - Step 3: Cross multiply
349,590.24x = 524,419.44 × 139,178.88 - Step 4: Simplify right side
349,590.24x = 72,988,110,309.43 - Step 5: Solve for x
x = 72,988,110,309.43/349,590.24 - Step 6: Final answer
x = 208,781.89
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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.