Finding the Fourth Proportional to 462,258.23, 637,913.21 and 258,309.65
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Solution
The fourth proportional to 462,258.23, 637,913.21 and 258,309.65 is: 356,465.56
Step by Step Solution
- Step 1: Write the proportion equation
462,258.23 : 637,913.21 = 258,309.65 : x - Step 2: Convert to fraction form
462,258.23/637,913.21 = 258,309.65/x - Step 3: Cross multiply
462,258.23x = 637,913.21 × 258,309.65 - Step 4: Simplify right side
462,258.23x = 164,779,138,308.71 - Step 5: Solve for x
x = 164,779,138,308.71/462,258.23 - Step 6: Final answer
x = 356,465.56
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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.