Finding the Fourth Proportional to 938,547.12, 1,407,793.12 and 228,564.84
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Solution
The fourth proportional to 938,547.12, 1,407,793.12 and 228,564.84 is: 342,840.55
Step by Step Solution
- Step 1: Write the proportion equation
938,547.12 : 1,407,793.12 = 228,564.84 : x - Step 2: Convert to fraction form
938,547.12/1,407,793.12 = 228,564.84/x - Step 3: Cross multiply
938,547.12x = 1,407,793.12 × 228,564.84 - Step 4: Simplify right side
938,547.12x = 321,772,009,225.90 - Step 5: Solve for x
x = 321,772,009,225.90/938,547.12 - Step 6: Final answer
x = 342,840.55
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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.