Finding the Fourth Proportional to 426,403.03, 588,437.06 and 235,416.79
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Solution
The fourth proportional to 426,403.03, 588,437.06 and 235,416.79 is: 324,875.65
Step by Step Solution
- Step 1: Write the proportion equation
426,403.03 : 588,437.06 = 235,416.79 : x - Step 2: Convert to fraction form
426,403.03/588,437.06 = 235,416.79/x - Step 3: Cross multiply
426,403.03x = 588,437.06 × 235,416.79 - Step 4: Simplify right side
426,403.03x = 138,527,962,605.15 - Step 5: Solve for x
x = 138,527,962,605.15/426,403.03 - Step 6: Final answer
x = 324,875.65
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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.