Finding the Fourth Proportional to 346,203.76, 519,532.74 and 121,558.36
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Solution
The fourth proportional to 346,203.76, 519,532.74 and 121,558.36 is: 182,417.28
Step by Step Solution
- Step 1: Write the proportion equation
346,203.76 : 519,532.74 = 121,558.36 : x - Step 2: Convert to fraction form
346,203.76/519,532.74 = 121,558.36/x - Step 3: Cross multiply
346,203.76x = 519,532.74 × 121,558.36 - Step 4: Simplify right side
346,203.76x = 63,153,547,840.71 - Step 5: Solve for x
x = 63,153,547,840.71/346,203.76 - Step 6: Final answer
x = 182,417.28
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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.