Finding the Fourth Proportional to 435,248.36, 653,057.09 and 210,776.05
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Solution
The fourth proportional to 435,248.36, 653,057.09 and 210,776.05 is: 316,253.45
Step by Step Solution
- Step 1: Write the proportion equation
435,248.36 : 653,057.09 = 210,776.05 : x - Step 2: Convert to fraction form
435,248.36/653,057.09 = 210,776.05/x - Step 3: Cross multiply
435,248.36x = 653,057.09 × 210,776.05 - Step 4: Simplify right side
435,248.36x = 137,648,793,854.69 - Step 5: Solve for x
x = 137,648,793,854.69/435,248.36 - Step 6: Final answer
x = 316,253.45
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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.