Finding the Fourth Proportional to 349,303.17, 482,090.49 and 213,415.68
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Solution
The fourth proportional to 349,303.17, 482,090.49 and 213,415.68 is: 294,545.48
Step by Step Solution
- Step 1: Write the proportion equation
349,303.17 : 482,090.49 = 213,415.68 : x - Step 2: Convert to fraction form
349,303.17/482,090.49 = 213,415.68/x - Step 3: Cross multiply
349,303.17x = 482,090.49 × 213,415.68 - Step 4: Simplify right side
349,303.17x = 102,885,669,744.88 - Step 5: Solve for x
x = 102,885,669,744.88/349,303.17 - Step 6: Final answer
x = 294,545.48
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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.