Finding the Fourth Proportional to 390,710.08, 586,153.50 and 124,485.76
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Solution
The fourth proportional to 390,710.08, 586,153.50 and 124,485.76 is: 186,756.80
Step by Step Solution
- Step 1: Write the proportion equation
390,710.08 : 586,153.50 = 124,485.76 : x - Step 2: Convert to fraction form
390,710.08/586,153.50 = 124,485.76/x - Step 3: Cross multiply
390,710.08x = 586,153.50 × 124,485.76 - Step 4: Simplify right side
390,710.08x = 72,967,763,924.16 - Step 5: Solve for x
x = 72,967,763,924.16/390,710.08 - Step 6: Final answer
x = 186,756.80
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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.