Finding the Fourth Proportional to 435,955.14, 653,970.24 and 120,412.08
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Solution
The fourth proportional to 435,955.14, 653,970.24 and 120,412.08 is: 180,628.49
Step by Step Solution
- Step 1: Write the proportion equation
435,955.14 : 653,970.24 = 120,412.08 : x - Step 2: Convert to fraction form
435,955.14/653,970.24 = 120,412.08/x - Step 3: Cross multiply
435,955.14x = 653,970.24 × 120,412.08 - Step 4: Simplify right side
435,955.14x = 78,745,916,856.50 - Step 5: Solve for x
x = 78,745,916,856.50/435,955.14 - Step 6: Final answer
x = 180,628.49
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.