Finding the Fourth Proportional to 185,421.84, 255,881.07 and 100,537.08
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Solution
The fourth proportional to 185,421.84, 255,881.07 and 100,537.08 is: 138,740.59
Step by Step Solution
- Step 1: Write the proportion equation
185,421.84 : 255,881.07 = 100,537.08 : x - Step 2: Convert to fraction form
185,421.84/255,881.07 = 100,537.08/x - Step 3: Cross multiply
185,421.84x = 255,881.07 × 100,537.08 - Step 4: Simplify right side
185,421.84x = 25,725,535,605.08 - Step 5: Solve for x
x = 25,725,535,605.08/185,421.84 - Step 6: Final answer
x = 138,740.59
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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.