Finding the Fourth Proportional to 457,560.48, 686,106.68 and 191,248.32
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Solution
The fourth proportional to 457,560.48, 686,106.68 and 191,248.32 is: 286,774.66
Step by Step Solution
- Step 1: Write the proportion equation
457,560.48 : 686,106.68 = 191,248.32 : x - Step 2: Convert to fraction form
457,560.48/686,106.68 = 191,248.32/x - Step 3: Cross multiply
457,560.48x = 686,106.68 × 191,248.32 - Step 4: Simplify right side
457,560.48x = 131,216,749,890.78 - Step 5: Solve for x
x = 131,216,749,890.78/457,560.48 - Step 6: Final answer
x = 286,774.66
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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.