Finding the Fourth Proportional to 457,407.84, 686,106.72 and 176,728.32
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Solution
The fourth proportional to 457,407.84, 686,106.72 and 176,728.32 is: 265,090.53
Step by Step Solution
- Step 1: Write the proportion equation
457,407.84 : 686,106.72 = 176,728.32 : x - Step 2: Convert to fraction form
457,407.84/686,106.72 = 176,728.32/x - Step 3: Cross multiply
457,407.84x = 686,106.72 × 176,728.32 - Step 4: Simplify right side
457,407.84x = 121,254,487,966.31 - Step 5: Solve for x
x = 121,254,487,966.31/457,407.84 - Step 6: Final answer
x = 265,090.53
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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.