Finding the Fourth Proportional to 473,435.12, 653,330.36 and 258,576.05
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Solution
The fourth proportional to 473,435.12, 653,330.36 and 258,576.05 is: 356,829.43
Step by Step Solution
- Step 1: Write the proportion equation
473,435.12 : 653,330.36 = 258,576.05 : x - Step 2: Convert to fraction form
473,435.12/653,330.36 = 258,576.05/x - Step 3: Cross multiply
473,435.12x = 653,330.36 × 258,576.05 - Step 4: Simplify right side
473,435.12x = 168,935,586,113.64 - Step 5: Solve for x
x = 168,935,586,113.64/473,435.12 - Step 6: Final answer
x = 356,829.43
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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.