Finding the Fourth Proportional to 297,921.18, 411,106.74 and 175,394.10
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Solution
The fourth proportional to 297,921.18, 411,106.74 and 175,394.10 is: 242,029.44
Step by Step Solution
- Step 1: Write the proportion equation
297,921.18 : 411,106.74 = 175,394.10 : x - Step 2: Convert to fraction form
297,921.18/411,106.74 = 175,394.10/x - Step 3: Cross multiply
297,921.18x = 411,106.74 × 175,394.10 - Step 4: Simplify right side
297,921.18x = 72,105,696,666.23 - Step 5: Solve for x
x = 72,105,696,666.23/297,921.18 - Step 6: Final answer
x = 242,029.44
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.