Finding the Fourth Proportional to 375,727.48, 563,590.80 and 91,416.28
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Solution
The fourth proportional to 375,727.48, 563,590.80 and 91,416.28 is: 137,124.32
Step by Step Solution
- Step 1: Write the proportion equation
375,727.48 : 563,590.80 = 91,416.28 : x - Step 2: Convert to fraction form
375,727.48/563,590.80 = 91,416.28/x - Step 3: Cross multiply
375,727.48x = 563,590.80 × 91,416.28 - Step 4: Simplify right side
375,727.48x = 51,521,374,378.22 - Step 5: Solve for x
x = 51,521,374,378.22/375,727.48 - Step 6: Final answer
x = 137,124.32
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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.