Finding the Fourth Proportional to 418,873.12, 577,946.64 and 237,545.44
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Solution
The fourth proportional to 418,873.12, 577,946.64 and 237,545.44 is: 327,756.98
Step by Step Solution
- Step 1: Write the proportion equation
418,873.12 : 577,946.64 = 237,545.44 : x - Step 2: Convert to fraction form
418,873.12/577,946.64 = 237,545.44/x - Step 3: Cross multiply
418,873.12x = 577,946.64 × 237,545.44 - Step 4: Simplify right side
418,873.12x = 137,288,588,895.32 - Step 5: Solve for x
x = 137,288,588,895.32/418,873.12 - Step 6: Final answer
x = 327,756.98
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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.