Finding the Fourth Proportional to 461,506.68, 636,878.88 and 260,302.68
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Solution
The fourth proportional to 461,506.68, 636,878.88 and 260,302.68 is: 359,217.51
Step by Step Solution
- Step 1: Write the proportion equation
461,506.68 : 636,878.88 = 260,302.68 : x - Step 2: Convert to fraction form
461,506.68/636,878.88 = 260,302.68/x - Step 3: Cross multiply
461,506.68x = 636,878.88 × 260,302.68 - Step 4: Simplify right side
461,506.68x = 165,781,279,299.40 - Step 5: Solve for x
x = 165,781,279,299.40/461,506.68 - Step 6: Final answer
x = 359,217.51
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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.