Finding the Fourth Proportional to 418,536.12, 577,567.98 and 227,545.08
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Solution
The fourth proportional to 418,536.12, 577,567.98 and 227,545.08 is: 314,005.76
Step by Step Solution
- Step 1: Write the proportion equation
418,536.12 : 577,567.98 = 227,545.08 : x - Step 2: Convert to fraction form
418,536.12/577,567.98 = 227,545.08/x - Step 3: Cross multiply
418,536.12x = 577,567.98 × 227,545.08 - Step 4: Simplify right side
418,536.12x = 131,422,752,214.54 - Step 5: Solve for x
x = 131,422,752,214.54/418,536.12 - Step 6: Final answer
x = 314,005.76
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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.