Finding the Fourth Proportional to 402,579.60, 555,553.62 and 221,287.65
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Solution
The fourth proportional to 402,579.60, 555,553.62 and 221,287.65 is: 305,373.53
Step by Step Solution
- Step 1: Write the proportion equation
402,579.60 : 555,553.62 = 221,287.65 : x - Step 2: Convert to fraction form
402,579.60/555,553.62 = 221,287.65/x - Step 3: Cross multiply
402,579.60x = 555,553.62 × 221,287.65 - Step 4: Simplify right side
402,579.60x = 122,937,155,018.79 - Step 5: Solve for x
x = 122,937,155,018.79/402,579.60 - Step 6: Final answer
x = 305,373.53
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.