Finding the Fourth Proportional to 335,235.84, 502,521.62 and 157,424.55
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Solution
The fourth proportional to 335,235.84, 502,521.62 and 157,424.55 is: 235,980.85
Step by Step Solution
- Step 1: Write the proportion equation
335,235.84 : 502,521.62 = 157,424.55 : x - Step 2: Convert to fraction form
335,235.84/502,521.62 = 157,424.55/x - Step 3: Cross multiply
335,235.84x = 502,521.62 × 157,424.55 - Step 4: Simplify right side
335,235.84x = 79,109,239,106.65 - Step 5: Solve for x
x = 79,109,239,106.65/335,235.84 - Step 6: Final answer
x = 235,980.85
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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.