Finding the Fourth Proportional to 457,134.66, 685,811.48 and 190,746.99
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Solution
The fourth proportional to 457,134.66, 685,811.48 and 190,746.99 is: 286,166.17
Step by Step Solution
- Step 1: Write the proportion equation
457,134.66 : 685,811.48 = 190,746.99 : x - Step 2: Convert to fraction form
457,134.66/685,811.48 = 190,746.99/x - Step 3: Cross multiply
457,134.66x = 685,811.48 × 190,746.99 - Step 4: Simplify right side
457,134.66x = 130,816,474,563.71 - Step 5: Solve for x
x = 130,816,474,563.71/457,134.66 - Step 6: Final answer
x = 286,166.17
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.