Finding the Fourth Proportional to 156,752.78, 235,125.93 and 38,424.74
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Solution
The fourth proportional to 156,752.78, 235,125.93 and 38,424.74 is: 57,636.32
Step by Step Solution
- Step 1: Write the proportion equation
156,752.78 : 235,125.93 = 38,424.74 : x - Step 2: Convert to fraction form
156,752.78/235,125.93 = 38,424.74/x - Step 3: Cross multiply
156,752.78x = 235,125.93 × 38,424.74 - Step 4: Simplify right side
156,752.78x = 9,034,652,727.51 - Step 5: Solve for x
x = 9,034,652,727.51/156,752.78 - Step 6: Final answer
x = 57,636.32
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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.