Finding the Fourth Proportional to 403,038.08, 555,814.96 and 250,101.08
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Solution
The fourth proportional to 403,038.08, 555,814.96 and 250,101.08 is: 344,905.18
Step by Step Solution
- Step 1: Write the proportion equation
403,038.08 : 555,814.96 = 250,101.08 : x - Step 2: Convert to fraction form
403,038.08/555,814.96 = 250,101.08/x - Step 3: Cross multiply
403,038.08x = 555,814.96 × 250,101.08 - Step 4: Simplify right side
403,038.08x = 139,009,918,371.83 - Step 5: Solve for x
x = 139,009,918,371.83/403,038.08 - Step 6: Final answer
x = 344,905.18
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1.5x scale
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.