Finding the Fourth Proportional to 351,637.60, 527,110.80 and 314,312.80
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Solution
The fourth proportional to 351,637.60, 527,110.80 and 314,312.80 is: 471,160.28
Step by Step Solution
- Step 1: Write the proportion equation
351,637.60 : 527,110.80 = 314,312.80 : x - Step 2: Convert to fraction form
351,637.60/527,110.80 = 314,312.80/x - Step 3: Cross multiply
351,637.60x = 527,110.80 × 314,312.80 - Step 4: Simplify right side
351,637.60x = 165,677,671,458.24 - Step 5: Solve for x
x = 165,677,671,458.24/351,637.60 - Step 6: Final answer
x = 471,160.28
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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.