Finding the Fourth Proportional to 513,275.42, 708,324.65 and 283,848.14
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Solution
The fourth proportional to 513,275.42, 708,324.65 and 283,848.14 is: 391,712.95
Step by Step Solution
- Step 1: Write the proportion equation
513,275.42 : 708,324.65 = 283,848.14 : x - Step 2: Convert to fraction form
513,275.42/708,324.65 = 283,848.14/x - Step 3: Cross multiply
513,275.42x = 708,324.65 × 283,848.14 - Step 4: Simplify right side
513,275.42x = 201,056,629,457.79 - Step 5: Solve for x
x = 201,056,629,457.79/513,275.42 - Step 6: Final answer
x = 391,712.95
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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.