Finding the Fourth Proportional to 430,875.80, 646,357.95 and 164,860.06
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Solution
The fourth proportional to 430,875.80, 646,357.95 and 164,860.06 is: 247,307.02
Step by Step Solution
- Step 1: Write the proportion equation
430,875.80 : 646,357.95 = 164,860.06 : x - Step 2: Convert to fraction form
430,875.80/646,357.95 = 164,860.06/x - Step 3: Cross multiply
430,875.80x = 646,357.95 × 164,860.06 - Step 4: Simplify right side
430,875.80x = 106,558,608,802.58 - Step 5: Solve for x
x = 106,558,608,802.58/430,875.80 - Step 6: Final answer
x = 247,307.02
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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.